| 2025 | Where Are the Everglades? | Nico Medina, Who HQ | Gregory Copeland | 112 |
| 2025 | Who Is Willie Nelson? | David Stabler, Who HQ | Tim Foley | 112 |
| 2025 | What Do We Know about the Lost Colony of Roanoke? | Emma Carlson Berne, Who HQ | Stephen Marchesi | 112 |
| 2025 | Who Smashed Hollywood Barriers with Gung Fu?: Bruce Lee | Teresa Robeson, Who HQ | | 64 |
| 2025 | Who Is Carol Burnett? | David Stabler, Who HQ | | 112 |
| 2025 | What Was the Renaissance? | Roberta Edwards, Who HQ | Gregory Copeland | 112 |
| 2025 | Who Is Tony Hawk? | Steve Korte, Who HQ | | 112 |
| 2025 | What Is the Story of Cinderella? | Who HQ | | 112 |
| 2025 | Where Is Tornado Alley? | Who HQ | Dede Putra | 112 |
| 2024 | Who Was Shirley Chisholm? | Who HQ | Tim Foley | 112 |
| 2024 | Who Was Raised to Be the Queen of France?: Marie Antoinette | Who HQ | | 64 |
| 2024 | Qui n es Taylor Swift? (Who Is Taylor Swift? Spanish Edition) | Who HQ | Gregory Copeland | 112 |
| 2024 | Where Is Yellowstone? | Who HQ | Stephen Marchesi | 112 |
| 2024 | Who Is Shaun White? | Who HQ | | 112 |
| 2024 | What Do We Know About the Yeti? | Who HQ | | 112 |
| 2024 | What Is the Story of Smokey Bear? | Steve Korte, Who HQ | | 112 |
| 2024 | What Is the Story of My Little Pony? | Kirsten Mayer, Who HQ | | 112 |
| 2024 | Who Is Travis Kelce? | Ellen Labrecque, Who HQ | Dede Putra | 56 |
| 2024 | Who Is Billie Jean King? | Lisbeth Kaiser, Who HQ | | 24 |
| 2024 | Who Is Billie Jean King? | Who HQ | Dede Putra | 112 |
| 2024 | Who Is Lin-Manuel Miranda? | Who HQ | | 112 |
| 2024 | Who Is Lionel Messi? | James Buckley, Who HQ | | 56 |
| 2024 | What Is a Presidential Election? | Who HQ | | 112 |
| 2024 | Who Is Bad Bunny? | Who HQ | | 56 |
| 2024 | What Is the Story of Godzilla? | Sheila Keenan, Who HQ | | 112 |
| 2024 | ¿Quién fue Pelé? | James Buckley, Who HQ | | 112 |
| 2024 | Who Is Katie Ledecky? | James Buckley, Who HQ | | 56 |
| 2024 | Who Is Taylor Swift? | Who HQ | Gregory Copeland | 112 |
| 2024 | What Do We Know About the Nazca Lines? | Who HQ | Dede Putra | 112 |
| 2024 | What Do We Know About the Mystery of D. B. Cooper? | Who HQ | Tim Foley | 112 |
| 2024 | What Was the Great Molasses Flood of 1919? | Who HQ | Dede Putra | 112 |
| 2024 | What Were the Shark Attacks of 1916? | Nico Medina, Who HQ | Tim Foley | 112 |
| 2024 | What Made California the Golden State?: Life During the Gold Rush | Shing Yin Khor, Who HQ | | 64 |
| 2024 | Who Is Michael Phelps? | Who HQ | | 112 |
| 2024 | Where Is Jerusalem? | Who HQ | Stephen Marchesi | 112 |
| 2024 | Who Was Her Own Work of Art?: Frida Kahlo | Who HQ | | 64 |
| 2024 | Where Is Jerusalem? | Who HQ | Stephen Marchesi | 112 |
| 2024 | Who Was Langston Hughes? | Who HQ | Gregory Copeland | 112 |
| 2024 | Who Is Aaron Judge? | James Buckley, Who HQ | | 56 |
| 2024 | What Do We Know About the Kraken? | Who HQ | | 112 |
| 2023 | Who Was Shirley Chisholm? | Lisbeth Kaiser, Who HQ | Geraldine Sy | 24 |
| 2023 | What Is the Story of Romeo and Juliet? | Max Bisantz, Who HQ | | 112 |
| 2023 | Who Was John Lewis? | Who HQ | Stephen Marchesi | 112 |
| 2023 | What Was the Donner Party? | Who HQ | Tim Foley | 112 |
| 2023 | What Was the Children's Blizzard of 1888? | Steve Korte, Who HQ | Dede Putra | 112 |
| 2023 | Who Is Harry Styles? | Who HQ | | 56 |
| 2023 | Who Was Salvador Dalí? | Who HQ | Gregory Copeland | 112 |
| 2023 | What Do We Know About the Chupacabra? | Pam Pollack, Meg Belviso, Who HQ | | 112 |
| 2023 | Who Was Betty White? | Who HQ | | 56 |
| 2023 | Who Was Accused in the Salem Witch Trials?: Tituba | Who HQ | | 64 |
| 2023 | What Is the Story of Jurassic World? | Jim Gigliotti, Who HQ | Dede Putra | 112 |
| 2023 | Who Is Nathan Chen? | Who HQ | Gregory Copeland | 56 |
| 2023 | Who Is Malala Yousafzai? | Lisbeth Kaiser, Who HQ | | 24 |
| 2023 | What Do We Know About the Winchester House? | Emma Carlson Berne, Who HQ | | 112 |
| 2023 | What Is the Story of the Headless Horseman? | Who HQ | | 112 |
| 2023 | Who Was Frank Sinatra? | Ellen Labrecque, Who HQ | | 112 |
| 2023 | What Do We Know About Alien Abduction? | Kirsten Mayer, Who HQ | Tim Foley | 112 |
| 2023 | Where Is the Sahara Desert? | Who HQ | | 112 |
| 2023 | Who Was Jim Thorpe? | James Buckley, Who HQ | Stephen Marchesi | 112 |
| 2023 | What Was World War I? | Nico Medina, Who HQ | Dede Putra | 112 |
| 2023 | What Is the Story of Anne of Green Gables? | Ellen Labrecque, Who HQ | | 112 |
| 2023 | What Was the Tulsa Race Massacre of 1921? | Who HQ | Tim Foley | 112 |
| 2023 | What Is the Women's World Cup? | Who HQ | | 112 |
| 2023 | Who Is Simone Biles? | Who HQ | | 56 |
| 2023 | Who Is Tibet's Exiled Leader?: The 14th Dalai Lama | Teresa Robeson, Who HQ | | 64 |
| 2023 | Who Is Barack Obama? | Lisbeth Kaiser, Who HQ | Geraldine Sy | 24 |
| 2023 | What Is the Story of Captain Picard? | David Stabler, Who HQ | | 112 |
| 2023 | What Do We Know About the Roswell Incident? | Who HQ | | 112 |
| 2023 | Who Was John McCain? | Michael Burgan, Who HQ | | 112 |
| 2023 | Who Is LeBron James? | Who HQ | Stephen Marchesi | 112 |
| 2023 | What Is the Story of Nancy Drew? | Who HQ | Dede Putra | 112 |
| 2023 | Who Is Megan Rapinoe? | Who HQ | | 56 |
| 2022 | What Was Reconstruction? | Sherri L. Smith, Who HQ | Tim Foley | 112 |
| 2022 | Who Was Alex Trebek? | Pam Pollack, Meg Belviso, Who HQ | | 112 |
| 2022 | What Is the Story of Transformers? | Who HQ | | 112 |
| 2022 | Who Is Ketanji Brown Jackson? | Who HQ, Shelia P. Moses | Dede Putra | 56 |
| 2022 | What Do We Know About Atlantis? | Emma Carlson Berne, Who HQ | | 112 |
| 2022 | What Do We Know About the Loch Ness Monster? | Steve Korte, Who HQ | | 112 |
| 2022 | Who Is the Man in the Air?: Michael Jordan | Gabe Soria, Who HQ | | 64 |
| 2022 | Who Is Zendaya? | Who HQ | | 56 |
| 2022 | What Is the Story of Ebenezer Scrooge? | Who HQ | | 112 |
| 2022 | Where Is the North Pole? | Megan Stine, Who HQ | | 112 |
| 2022 | Who Is Greta Thunberg? | Lisbeth Kaiser, Who HQ | Stanley Chow | 24 |
| 2022 | Who Was Michelangelo? | Who HQ | Gregory Copeland | 112 |
| 2022 | Who Is Shaquille O'Neal? | Ellen Labrecque, Who HQ | | 112 |
| 2022 | Who Is Stacey Abrams? | Who HQ | Dede Putra | 56 |
| 2022 | Who Was Georgia O'Keeffe? | Who HQ | Dede Putra | 112 |
| 2022 | ¿Qué Es La Copa Mundial? | Bonnie Bader, Who HQ | Stephen Marchesi | 112 |
| 2022 | ¿Quién Fue Selena? | Max Bisantz, Who HQ | | 112 |
| 2022 | Who Was a Daring Pioneer of the Skies? | Who HQ, Melanie Gillman | A.C. Esguerra | 64 |
| 2022 | What Do We Know About Crop Circles? | Who HQ | | 112 |
| 2022 | What Do We Know About Bigfoot? | Steve Korte, Who HQ | | 112 |
| 2022 | What Is the Supreme Court? | Who HQ | Gregory Copeland | 112 |
| 2022 | Who Was E. B. White? | Who HQ, Gail Herman | Dede Putra | 112 |
| 2022 | Who Was Ponce de León? | Pam Pollack, Meg Belviso, Who HQ | Dede Putra | 112 |
| 2022 | Who Was Johnny Cash? | Who HQ, Jim Gigliotti | Gregory Copeland | 112 |
| 2022 | What Is the AIDS Crisis? | Nico Medina, Who HQ | Tim Foley | 112 |
| 2022 | Who Is Jimmy Carter? | David Stabler, Who HQ | Tim Foley | 112 |
| 2022 | Who Is Colin Kaepernick? | Who HQ | Gregory Copeland | 56 |
| 2022 | Who Was the Greatest? | Gabe Soria, Who HQ | Rico RenziᐧChris Brunner | 64 |
| 2022 | What Was the Turning Point of the Civil War? | Who HQ, Ellen T. Crenshaw | Ellen T. Crenshaw | 64 |
| 2022 | What Is Juneteenth? | Who HQ, Kirsti Jewel | Manuel Gutierrez | 112 |
| 2022 | Who Was Bruce Lee? | Lisbeth Kaiser, Who HQ | Stanley Chow | 24 |
| 2022 | Who Was Ernest Hemingway? | Who HQ, Jim Gigliotti | Gregory Copeland | 112 |
| 2022 | Who Was Charles Schulz? | Joan Holub, Who HQ | Tim Foley | 112 |
| 2022 | What Are Castles and Knights? | Who HQ | Dede Putra | 112 |
| 2022 | The Who Was? Trivia Book | Brian Elling, Who HQ | | 112 |
| 2022 | Who Was the Voice of the People?: Cesar Chavez | Terry Blas, Who HQ | Mar Julia | 64 |
| 2022 | Who Was the Girl Warrior of France?: Joan of Arc | Who HQ, Sarah Winifred Searle | Maria Capelle Frantz | 64 |
| 2022 | Who Sparked the Montgomery Bus Boycott?: Rosa Parks | Who HQ, Insha Fitzpatrick | Abelle Hayford | 64 |
| 2022 | Who Was Celia Cruz? | Lisbeth Kaiser, Who HQ | Stanley Chow | 24 |
| 2022 | Who Was the First Man on the Moon?: Neil Armstrong | Who HQ, Nathan Page | Drew Shannon | 64 |
| 2022 | Who Is Dale Earnhardt Jr.? | David Stabler, Who HQ | Dede Putra | 112 |
| 2022 | Who Is Chloe Kim? | Who HQ | | 56 |
| 2021 | What Was the Harlem Renaissance? | Sherri L. Smith, Who HQ | Tim Foley | 112 |
| 2021 | What Is the Story of Captain Kirk? | Who HQ, M. D. Payne | Robert Squier | 112 |
| 2021 | Who Were Stanley and Livingstone? | Who HQ, Jim Gigliotti | David Malan | 112 |
| 2021 | Who Is Queen Elizabeth II? | Megan Stine, Who HQ | Laurie A. Conley | 112 |
| 2021 | Who Was Walt Disney? | Lisbeth Kaiser, Who HQ | Stanley Chow | 24 |
| 2021 | Who Was David Bowie? | Who HQ, Margaret Gurevich | Andrew Thomson | 112 |
| 2021 | What Was the Plague? | Roberta Edwards, Who HQ | Dede Putra | 112 |
| 2021 | Who Were the Navajo Code Talkers? | Who HQ, James Buckley Jr. | Gregory Copeland | 112 |
| 2021 | What Are the Winter Olympics? | Who HQ, Gail Herman | Jake Murray | 112 |
| 2021 | What Is Black Lives Matter? | Who HQ | Gregory Copeland | 56 |
| 2021 | Who Is Tom Brady? | James Buckley, Who HQ | Gregory Copeland | 56 |
| 2021 | What Is the Story of the Mummy? | Who HQ, Sheila Keenan | Carlos Basabe | 112 |
| 2021 | Where Are the Constellations? | Who HQ, Stephanie Sabol | Laurie A. Conley | 112 |
| 2021 | What Is the Story of Willy Wonka? | Who HQ | Jake Murray | 112 |
| 2021 | Who Was Juliette Gordon Low? | Who HQ, Dana Meachen Rau | Dede Putra | 112 |
| 2021 | What Is the Coronavirus Disease Covid-19? | Michael Burgan, Who HQ | | 56 |
| 2021 | Who Was A. A. Milne? | Who HQ, Sarah Fabiny | Gregory Copeland | 112 |
| 2021 | Who Is Neil deGrasse Tyson? | Pam Pollack, Meg Belviso, Who HQ | Manuel Gutierrez | 112 |
| 2021 | What Is Congress? | Who HQ, Jill Abramson | David Malan | 112 |
| 2021 | Who Is RuPaul? | Nico Medina, Who HQ | Andrew Thomson | 112 |
| 2021 | Who Is Dwayne "The Rock" Johnson? | Who HQ, James Buckley Jr. | Gregory Copeland | 56 |
| 2021 | What Is the Story of Alice in Wonderland? | Who HQ, Dana M. Rau | Robert Squier | 112 |
| 2021 | Who Is Jane Goodall? | Lisbeth Kaiser, Who HQ | Stanley Chow | 26 |
| 2021 | Who Was Jackie Robinson? | Lisbeth Kaiser, Who HQ | Stanley Chow | 26 |
| 2021 | Who Is Ken Jennings? | Who HQ, Kirsten Anderson | Jake Murray | 56 |
| 2021 | Who Is Alexandria Ocasio-Cortez? | Who HQ, Kirsten Anderson | Manuel Gutierrez | 56 |
| 2021 | Who Is Cristiano Ronaldo? | Who HQ, James Buckley Jr. | Gregory Copeland | 56 |
| 2021 | Who Was Levi Strauss? | Who HQ, Ellen Labrecque | Stephen Marchesi | 112 |
| 2021 | What Was the Age of Exploration? | Who HQ, Jake Murray, Catherine Daly | | 112 |
| 2021 | Who Was Walt Whitman? | Who HQ, Kirsten Anderson | Tim Foley | 112 |
| 2021 | Who Was Catherine the Great? | Pam Pollack, Meg Belviso, Who HQ | Dede Putra | 108 |
| 2021 | Who Is Kamala Harris? | Who HQ, Kirsten Anderson | Manuel Gutierrez | 56 |
| 2021 | What Is Nintendo? | Gina Shaw, Who HQ | Andrew Thomson | 112 |
| 2020 | What Is the Civil Rights Movement? | Sherri L. Smith, Who HQ | Tim Foley | 112 |
| 2020 | Who Is Ruth Bader Ginsburg? | Who HQ, Lisbeth Kaiser | Stanley Chow | 26 |
| 2020 | Who Was Martin Luther King, Jr.? | Lisbeth Kaiser, Who HQ | Stanley Chow | 26 |
| 2020 | Who Was Confucius? | Michael Burgan, Who HQ | Robert Squier | 112 |
| 2020 | Who Was Duke Ellington? | Who HQ, M. D. Payne | Gregory Copeland | 112 |
| 2020 | Who Was Nellie Bly? | Who HQ, Margaret Gurevich | Laurie A. Conley | 112 |
| 2020 | Who Was Benedict Arnold? | Who HQ, James Buckley Jr. | Gregory Copeland | 112 |
| 2020 | Where Is Chichen Itza? | Who HQ, Paula K. Manzanero | Dede Putra | 112 |
| 2020 | Who Is Greta Thunberg? | Who HQ, Jill Leonard | Manuel Gutierrez | 56 |
| 2020 | Who Was Kobe Bryant? | Who HQ, Ellen Labrecque | Gregory Copeland | 56 |
| 2020 | What Is the Story of Dracula? | Michael Burgan, Who HQ | David Malan | 112 |
| 2020 | Who Was Celia Cruz? | Pam Pollack, Meg Belviso, Who HQ | Jake Murray | 112 |
| 2020 | Who Is David Beckham? | Who HQ, Ellen Labrecque | John Hinderliter | 112 |
| 2020 | Who Was Ida B. Wells? | Who HQ, Sarah Fabiny | Ted Hammond | 112 |
| 2020 | Who Was Harvey Milk? | Who HQ, Corinne A. Grinapol | Gregory Copeland | 112 |
| 2020 | Where Is the Congo? | Megan Stine, Who HQ | Dede Putra | 112 |
| 2020 | What Is LEGO? | Jim O'Connor, Who HQ | Ted Hammond | 112 |
| 2020 | Who Is Temple Grandin? | Patricia Brennan Demuth, Who HQ | Robert Squier | 112 |
| 2020 | Where Were the Seven Wonders of the Ancient World? | Who HQ, Yona Z. McDonough | Dede Putra | 112 |
| 2020 | What Are the Paralympic Games? | Gail Herman, Who HQ | | 112 |
| 2020 | What Was the Bombing of Hiroshima? | Jess Brallier, Who HQ | Tim Foley | 112 |
| 2020 | What Is the Story of Batman? (Graphic Novel) | Michael Burgan, Who HQ, Jake Murray | | 112 |
| 2020 | What Is the Story of Looney Tunes? | Who HQ | John Hinderliter | 112 |
| 2020 | Who Was Richard Nixon? | Megan Stine, Who HQ | Manuel Gutierrez | 112 |
| 2020 | Who Is Jackie Chan? | Jody Jensen Shaffer, Who HQ | Gregory Copeland | 112 |
| 2019 | What Were the Negro Leagues? | Varian Johnson, Who HQ | Stephen Marchesi | 112 |
| 2019 | Where Is the Vatican? | Megan Stine, Who HQ | Laurie A. Conley | 112 |
| 2019 | Who Was Sam Walton? | Who HQ, James Buckley Jr. | Ted Hammond | 112 |
| 2019 | What Is the Story of Doctor Who? | Who HQ, Gabriel P. Cooper | Gregory Copeland | 112 |
| 2019 | What Is the Story of The Wizard of Oz? | Kirsten Anderson, Who HQ | Robert Squier | 112 |
| 2019 | The Who Was? History of the World | Who HQ, Paula K. Manzanero | Robert Squier | 176 |
| 2019 | Who Was Mister Rogers? | Diane Bailey, Who HQ | Dede Putra | 112 |
| 2019 | What Was the Berlin Wall? | Nico Medina, Who HQ | Stephen Marchesi | 112 |
| 2019 | Who Was Harriet Tubman? | Yona Zeldis McDonough, Who HQ | Nancy Harrison | 112 |
| 2019 | What Is the Story of Frankenstein? | Who HQ, Sheila Keenan | David Malan | 112 |
| 2019 | What Is the Story of Wonder Woman? (Graphic Novel) | Who HQ | Jake Murray | 112 |
| 2019 | Who Is R. L. Stine? | Who HQ, M. D. Payne | Jake Murray | 112 |
| 2019 | Where Is the Serengeti? | Nico Medina, Who HQ | Manuel Gutierrez | 112 |
| 2019 | Who Is Oprah Winfrey? | Who HQ, Barbara Kramer | Dede Putra | 112 |
| 2019 | Who Was Che Guevara? | Who HQ, Ellen Labrecque | Jerry Hoare | 112 |
| 2019 | Who Was P. T. Barnum? | Who HQ, Kirsten Anderson | Stephen Marchesi | 112 |
| 2019 | Who Was Stephen Hawking? | Who HQ, Who HQ, Jim Gigliotti | Gregory Copeland | 112 |
| 2019 | Where Is the Kremlin? | Deborah Hopkinson, Who HQ | Dede Putra | 112 |
| 2019 | What Is NASA? | Who HQ, Sarah Fabiny | Ted Hammond | 112 |
| 2019 | What Was the Vietnam War? | Jim O'Connor, Who HQ | Tim Foley | 112 |
| 2019 | Where Is Broadway? | Francesco Sedita, Who HQ, Douglas Yacka | John Hinderliter | 112 |
| 2019 | What Is the Story of Hello Kitty? | Who HQ, Kirsten Anderson | Jill Weber | 112 |
| 2019 | What Is the Story of Scooby-Doo? | Who HQ, M. D. Payne | Andrew Thomson | 112 |
| 2019 | Who Was Norman Rockwell? | Who HQ, Sarah Fabiny | Gregory Copeland | 112 |
| 2019 | Who Was H. J. Heinz? | Michael Burgan, Who HQ | Stephen Marchesi | 112 |
| 2019 | What Was Stonewall? | Nico Medina, Who HQ | Jake Murray | 112 |
| 2019 | What Is the Stanley Cup? | Who HQ | Gregory Copeland | 112 |
| 2019 | Who Is Michael Jordan? | Who HQ, Kirsten Anderson | Dede Putra | 112 |
| 2019 | Where Is Hollywood? | Who HQ, Dina Anastasio | Tim Foley | 112 |
| 2019 | Where Is Antarctica? | Who HQ, Sarah Fabiny | Jerry Hoare | 112 |
| 2018 | Who Was Napoleon? | Who HQ, Jim Gigliotti | Gregory Copeland | 112 |
| 2018 | Who Was Nikola Tesla? | Who HQ, Jim Gigliotti | John Hinderliter | 112 |
| 2018 | What Were the Roaring Twenties? | Who HQ, Michele Mortlock | Jake Murray | 112 |
| 2018 | What Is the Women's Rights Movement? | Deborah Hopkinson, Who HQ | Laurie A. Conley | 112 |
| 2018 | Who Is Bono? | Pam Pollack, Meg Belviso, Who HQ | Andrew Thomson | 112 |
| 2018 | Who Is Judy Blume? | Who HQ, Kirsten Anderson | Ted Hammond | 112 |
| 2018 | Where Is Area 51? | Who HQ, Paula K. Manzanero | Tim Foley | 112 |
| 2018 | Where Is the Tower of London? | Janet B. Pascal, Who HQ | David Malan | 112 |
| 2018 | Who Were the Tuskegee Airmen? | Sherri L. Smith, Who HQ | Jake Murray | 112 |
| 2018 | Who Was Selena? | Max Bisantz, Who HQ, Kate Bisantz | Joseph J. M. Qiu | 112 |
| 2018 | What Is Climate Change? | Who HQ, Gail Herman | John Hinderliter | 112 |
| 2018 | What Is the Constitution? | Patricia Brennan Demuth, Who HQ | Tim Foley | 112 |
| 2018 | What Was the Holocaust? | Who HQ, Gail Herman | Jerry Hoare | 112 |
| 2018 | Who Was Leif Erikson? | Nico Medina, Who HQ | Dede Putra | 112 |
| 2018 | Who Is Pelé? | James Buckley, Who HQ | | 112 |
| 2018 | Where Is Walt Disney World? | Joan Holub, Who HQ | Gregory Copeland | 112 |
| 2018 | Where Is the Bermuda Triangle? | Megan Stine, Who HQ | Tim Foley | 112 |
| 2018 | Who Is the Dalai Lama? | Who HQ, Dana Meachen Rau | Dede Putra | 112 |
| 2018 | Who Was Aretha Franklin? | Nico Medina, Who HQ | Gregory Copeland | 112 |
| 2018 | What Was the Titanic? | Who HQ | Gregory Copeland | 112 |
| 2018 | What Is the World Cup? | Bonnie Bader, Who HQ | Stephen Marchesi | 112 |
| 2018 | What Was the Titanic? | Who HQ, Stephanie Sabol | Gregory Copeland | 112 |
| 2018 | Who Was Booker T. Washington? | Who HQ, James Buckley Jr. | Jake Murray | 112 |
| 2018 | Who Was Henry VIII? | Who HQ, Ellen Labrecque | Jake Murray | 112 |
| 2018 | Where Is Machu Picchu? | Megan Stine, Who HQ | John O'Brien | 112 |
| 2018 | Where Is Our Solar System? | Who HQ, Stephanie Sabol | Ted Hammond | 112 |
| 2018 | Knock! Knock! Who Was There? | Brian Elling, Who HQ | Andrew Thomson | 128 |
| 2017 | Who Was Chuck Jones? | Who HQ, Jim Gigliotti | John Hinderliter | 112 |
| 2017 | Who Was Jane Austen? | Who HQ, Sarah Fabiny | Jerry Hoare | 107 |
| 2017 | Who Was Coretta Scott King? | Who HQ, Gail Herman | Gregory Copeland | 112 |
| 2017 | Who Is Ralph Lauren? | Jane O'Connor, Who HQ | Stephen Marchesi | 112 |
| 2017 | What Are the Ten Commandments? | Yona Zeldis McDonough, Who HQ | Tim Foley | 112 |
| 2017 | What Was the Ice Age? | Nico Medina, Who HQ | David Groff | 112 |
| 2017 | Who Was Lewis Carroll? | Pam Pollack, Meg Belviso, Who HQ | Joseph J. M. Qiu | 112 |
| 2017 | Where Is the Mississippi River? | Who HQ, Dina Anastasio | Ted Hammond | 112 |
| 2017 | Where Is Easter Island? | Megan Stine, Who HQ | John Hinderliter | 112 |
| 2017 | Who Was Fidel Castro? | Who HQ, Sarah Fabiny | Ted Hammond | 112 |
| 2017 | What Is Rock and Roll? | Jim O'Connor, Who HQ | Gregory Copeland | 112 |
| 2017 | Who Was Alexander Hamilton? | Pam Pollack, Meg Belviso, Who HQ | Dede Putra | 112 |
| 2017 | Who Is Pope Francis? | Stephanie Spinner, Who HQ | Dede Putra | 112 |
| 2017 | Who Are Venus and Serena Williams? | Who HQ, James Buckley Jr. | Andrew Thomson | 112 |
| 2017 | Who Was Andrew Jackson? | Who HQ, Douglas Yacka | Jake Murray | 112 |
| 2017 | Who Was Pete Seeger? | Who HQ, Noel MacCarry | Stephen Marchesi | 112 |
| 2017 | Who Was Bob Marley? | Who HQ, Katie Ellison | Gregory Copeland | 112 |
| 2017 | Where Is the Eiffel Tower? | Who HQ, Dina Anastasio | Tim Foley | 112 |
| 2017 | Where Are the Galapagos Islands? | Megan Stine, Who HQ | John Hinderliter | 112 |
| 2017 | What Was the Wild West? | Janet B. Pascal, Who HQ | Stephen Marchesi | 112 |
| 2017 | Who Are the Rolling Stones? | Who HQ, Dana Meachen Rau | Andrew Thomson | 112 |
| 2017 | Who Was Princess Diana? | Who HQ, Ellen Labrecque | Jerry Hoare | 112 |
| 2017 | What Was the Age of the Dinosaurs? | Megan Stine, Who HQ | Gregory Copeland | 112 |
| 2017 | Who Was Cesar Chavez? | Who HQ, Dana Meachen Rau | Ted Hammond | 112 |
| 2017 | Who Is Sonia Sotomayor? | Megan Stine, Who HQ | Dede Putra | 112 |
| 2017 | Who Was Lucille Ball? | Pam Pollack, Meg Belviso, Who HQ | Gregory Copeland | 112 |
| 2017 | Where Is the Taj Mahal? | Who HQ, Dorothy Hoobler, Thomas Hoobler | John Hinderliter | 112 |
| 2017 | Where Is the Colosseum? | Jim O'Connor, Who HQ | John O'Brien | 112 |
| 2016 | Who Was Charlie Chaplin? | Patricia Brennan Demuth, Who HQ | Gregory Copeland | 112 |
| 2016 | Who Was Jacqueline Kennedy? | Bonnie Bader, Who HQ | Joseph J. M. Qiu | 112 |
| 2016 | What Was the Great Chicago Fire? | Janet B. Pascal, Who HQ | Tim Foley | 112 |
| 2016 | What Was the San Francisco Earthquake? | Thomas Hoobler, Dorothy Hoobler, Who HQ | Ted Hammond | 112 |
| 2016 | Who Were The Three Stooges? | Pam Pollack, Meg Belviso, Who HQ | Ted Hammond | 112 |
| 2016 | Who Is Stevie Wonder? | Who HQ, Jim Gigliotti | Stephen Marchesi | 112 |
| 2016 | Who Is Bruce Springsteen? | Who HQ, Stephanie Sabol | Gregory Copeland | 112 |
| 2016 | Where Is Stonehenge? | True Kelley, Who HQ | John Hinderliter | 112 |
| 2016 | Where Is the Great Barrier Reef? | Nico Medina, Who HQ | John Hinderliter | 112 |
| 2016 | Who Is Hillary Clinton? | Heather Alexander, Who HQ | Dede Putra | 112 |
| 2016 | Who Was Milton Bradley? | Who HQ, Kirsten Anderson | Tim Foley | 112 |
| 2016 | Who Was Jules Verne? | Who HQ, James Buckley Jr. | Gregory Copeland | 112 |
| 2016 | Who Was Alexander the Great? | Who HQ, Robin Waterfield, Kathryn Waterfield | Andrew Thomson | 112 |
| 2016 | Where Is the Amazon? | Who HQ, Sarah Fabiny | Daniel Colon | 112 |
| 2016 | Where Is Alcatraz? | Nico Medina, Who HQ | David Groff | 112 |
| 2016 | What Were the Twin Towers? | Jim O'Connor, Who HQ | Ted Hammond | 112 |
| 2016 | What Is the Declaration of Independence? | Michael C. Harris, Who HQ | Jerry Hoare | 112 |
| 2016 | Who Is Elton John? | Who HQ, Kirsten Anderson | Joseph J. M. Qiu | 112 |
| 2016 | What Are the Summer Olympics? | Who HQ, Gail Herman | Stephen Marchesi | 112 |
| 2016 | Who Was Joan of Arc? | Pam Pollack, Meg Belviso, Who HQ | Andrew Thomson | 112 |
| 2016 | Where Is the Brooklyn Bridge? | Megan Stine, Who HQ | John Hinderliter | 112 |
| 2016 | Where Is the Parthenon? | Roberta Edwards, Who HQ | John Hinderliter | 112 |
| 2016 | What Was Woodstock? | Joan Holub, Who HQ | Gregory Copeland | 112 |
| 2016 | Who Was Maya Angelou? | Who HQ, Ellen Labrecque | Dede Putra | 112 |
| 2015 | Who Was Frank Lloyd Wright? | Who HQ, Ellen Labrecque | Gregory Copeland | 112 |
| 2015 | Who Was Michael Jackson? | Megan Stine, Who HQ | | 112 |
| 2015 | Who Was Sojourner Truth? | Yona Zeldis McDonough, Who HQ | Jim Eldridge | 112 |
| 2015 | Who Was George Washington Carver? | Who HQ, Jim Gigliotti | Stephen Marchesi | 112 |
| 2015 | What Was the Great Depression? | Janet B. Pascal, Who HQ | Dede Putra | 112 |
| 2015 | Who Was Blackbeard? | Who HQ, James Buckley Jr. | Joseph J. M. Qiu | 105 |
| 2015 | Who Was Seabiscuit? | Who HQ, James Buckley Jr. | Gregory Copeland | 112 |
| 2015 | What Is the Super Bowl? | Dina Anastasio, Who HQ | David Groff | 112 |
| 2015 | Who Was Marie Antoinette? | Who HQ, Dana Meachen Rau | John O'Brien | 112 |
| 2015 | Where Is Niagara Falls? | Megan Stine, Who HQ | Tim Foley | 112 |
| 2015 | Where Are the Great Pyramids? | Who HQ, Dorothy Hoobler, Thomas Hoobler | Jerry Hoare | 112 |
| 2015 | Who Is Jeff Kinney? | Who HQ, Patrick Kinney | John Hinderliter | 112 |
| 2015 | Who Is Derek Jeter? | Gail Herman, Who HQ | Andrew Thomson | 112 |
| 2015 | Who Is Richard Branson? | Michael Burgan, Who HQ | Ted Hammond | 112 |
| 2015 | Who Were the Brothers Grimm? | Who HQ, Avery Reed | John O'Brien | 112 |
| 2015 | Who Is Malala Yousafzai? | Who HQ, Dinah Brown | Andrew Thomson | 112 |
| 2015 | What Was Hurricane Katrina? | Who HQ, Robin Koontz | John Hinderliter | 112 |
| 2015 | Who Was Edgar Allan Poe? | Who HQ, Jim Gigliotti | Tim Foley | 112 |
| 2015 | What Were the Salem Witch Trials? | Joan Holub, Who HQ | Dede Putra | 112 |
| 2015 | Who Was Beatrix Potter? | Who HQ, Sarah Fabiny | Mike Lacey | 112 |
| 2015 | Who Was J. R. R. Tolkien? | Pam Pollack, Meg Belviso, Who HQ | Jonathan Moore | 112 |
| 2015 | What Is the World Series? | Gail Herman, Who HQ | David Grayson Kenyon | 112 |
| 2015 | Where Is the Empire State Building? | Janet B. Pascal, Who HQ | Daniel Colon | 112 |
| 2015 | Where Is Mount Everest? | Nico Medina, Who HQ | John Hinderliter | 112 |
| 2015 | Who Was Steve Irwin? | Who HQ, Dina Anastasio | Jim Eldridge | 112 |
| 2015 | Who Was Mother Teresa? | Who HQ, Jim Gigliotti | David Groff | 112 |
| 2015 | Who Was Harriet Beecher Stowe? | Dana Meachen Rau, Who HQ | Gregory Copeland | 112 |
| 2015 | What Was D-Day? | Patricia Brennan Demuth, Who HQ | David Grayson Kenyon | 112 |
| 2015 | Who Was Jacques Cousteau? | Nico Medina, Who HQ | Dede Putra | 112 |
| 2015 | Who Was Winston Churchill? | Who HQ, Ellen Labrecque | Jerry Hoare | 112 |
| 2015 | Who Was Robert Ripley? | Who HQ, Kirsten Anderson | Tim Foley | 112 |
| 2015 | Where Is the White House? | Megan Stine, Who HQ | David Groff | 112 |
| 2015 | Where Is Mount Rushmore? | True Kelley, Who HQ | John Hinderliter | 112 |
| 2015 | Where Is the Great Wall? | Patricia Brennan Demuth, Who HQ | Jerry Hoare | 112 |
| 2015 | Who Is Wayne Gretzky? | Who HQ, Gail Herman | Ted Hammond | 112 |
| 2015 | Who Was Jesus? | Who HQ, Ellen Morgan | Stephen Marchesi | 112 |
| 2015 | Who Was Galileo? | Patricia Brennan Demuth, Who HQ | John O'Brien | 112 |
| 2015 | Where Is the Grand Canyon? | Jim O'Connor, Who HQ | Daniel Colon | 112 |
| 2015 | Who Was Jesse Owens? | James Buckley Jr., Who HQ | Gregory Copeland | 112 |
| 2014 | Who Was Charles Dickens? | Pam Pollack, Meg Belviso, Who HQ | Mark Edward Geyer | 111 |
| 2014 | What Was the Hindenburg? | Janet B. Pascal, Who HQ | David Groff | 112 |
| 2014 | Who Is Gloria Steinem? | Who HQ, Sarah Fabiny | Max Hergenrother | 112 |
| 2014 | Who Was Andy Warhol? | Who HQ, Kirsten Anderson | Gregory Copeland | 112 |
| 2014 | Who Was Sitting Bull? | Stephanie Spinner, Who HQ | Jim Eldridge | 112 |
| 2014 | Who Was Frederick Douglass? | April Jones Prince, Who HQ | Robert Squier | 112 |
| 2014 | Who Was Stan Lee? | Who HQ, Geoff Edgers | John Hinderliter | 112 |
| 2014 | Who Was Betsy Ross? | Who HQ, James Buckley Jr. | John O'Brien | 112 |
| 2014 | Who Was Alfred Hitchcock? | Pam Pollack, Meg Belviso, Who HQ | Jonathan Moore | 112 |
| 2014 | Who Was Genghis Khan? | Nico Medina, Who HQ | Andrew Thomson | 112 |
| 2014 | Who Was Gandhi? | Who HQ, Dana Meachen Rau | Jerry Hoare | 112 |
| 2014 | Who Was Rachel Carson? | Who HQ, Sarah Fabiny | Dede Putra | 112 |
| 2014 | Who Was Susan B. Anthony? | Pam Pollack, Meg Belviso, Who HQ | Mike Lacey | 112 |
| 2014 | Who Was Julius Caesar? | Nico Medina, Who HQ | Tim Foley | 112 |
| 2014 | Who Was Isaac Newton? | Janet B. Pascal, Who HQ | Tim Foley | 112 |
| 2014 | What Was the Lewis and Clark Expedition? | Judith St. George, Who HQ | Tim Foley | 112 |
| 2014 | Who Was Roberto Clemente? | Who HQ, James Buckley Jr. | Ted Hammond | 112 |
| 2014 | Who Was Henry Ford? | Michael Burgan, Who HQ | Ted Hammond | 112 |
| 2014 | Who Was Marie Curie? | Megan Stine, Who HQ | Ted Hammond | 112 |
| 2014 | Who Was Clara Barton? | Stephanie Spinner, Who HQ | David Groff | 112 |
| 2014 | Who Was Muhammad Ali? | Who HQ, James Buckley Jr. | Stephen Marchesi | 112 |
| 2014 | What Is the Panama Canal? | Janet B. Pascal, Who HQ | Tim Foley | 112 |
| 2014 | Who Was Queen Victoria? | Who HQ, Jim Gigliotti | Max Hergenrother | 112 |
| 2014 | Who Was Robert E. Lee? | Bonnie Bader, Who HQ | John O'Brien | 112 |
| 2014 | Who Was Ulysses S. Grant? | Megan Stine, Who HQ | Mark Edward Geyer | 112 |
| 2014 | What Is the Statue of Liberty? | Joan Holub, Who HQ | John Hinderliter | 112 |
| 2014 | Who Is George Lucas? | Pam Pollack, Meg Belviso, Who HQ | Ted Hammond | 112 |
| 2014 | Who Was Bruce Lee? | Who HQ, Jim Gigliotti | John Hinderliter | 112 |
| 2014 | Who Were the Wright Brothers? | Who HQ, James Buckley Jr. | Tim Foley | 112 |
| 2014 | Who Was Theodore Roosevelt? | Michael Burgan, Who HQ | Jerry Hoare | 112 |
| 2014 | Who Is Dolly Parton? | True Kelley, Who HQ | Stephen Marchesi | 112 |
| 2014 | Who Was Louis Braille? | Margaret Frith, Who HQ | Robert Squier | 112 |
| 2014 | What Was Ellis Island? | Patricia Brennan Demuth, Who HQ | David Groff | 112 |
| 2014 | What Was Pompeii? | Jim O'Connor, Who HQ | John Hinderliter | 112 |
| 2014 | Who Was Abigail Adams? | True Kelley, Who HQ | John O'Brien | 112 |
| 2014 | Who Was Nelson Mandela? | Pam Pollack, Who HQ | Stephen Marchesi | 112 |
| 2013 | Who Was Ernest Shackleton? | Who HQ, James Buckley Jr. | Max Hergenrother | 112 |
| 2013 | Who Is Steven Spielberg? | Stephanie Spinner, Who HQ | Daniel Mather | 112 |
| 2013 | What Was the Underground Railroad? | Yona Zeldis McDonough, Who HQ | Lauren Mortimer | 112 |
| 2013 | Who Was Laura Ingalls Wilder? | Patricia Brennan Demuth, Who HQ | Tim Foley | 112 |
| 2013 | Who Was Frida Kahlo? | Who HQ, Sarah Fabiny | Jerry Hoare | 112 |
| 2013 | Who Was Milton Hershey? | Who HQ, James Buckley Jr. | Ted Hammond | 112 |
| 2013 | Who Was Alexander Graham Bell? | Bonnie Bader, Who HQ | David Groff | 112 |
| 2013 | What Was the Alamo? | Pam Pollack, Meg Belviso, Who HQ | David Groff | 112 |
| 2013 | Who Was Davy Crockett? | Gail Herman, Who HQ | Robert Squier | 112 |
| 2013 | Who Is Michelle Obama? | Megan Stine, Who HQ | John O'Brien | 112 |
| 2013 | Who Was Maurice Sendak? | Janet B. Pascal, Who HQ | Stephen Marchesi | 112 |
| 2013 | Who Is Bob Dylan? | Jim O'Connor, Who HQ | John O'Brien | 112 |
| 2013 | What Was Pearl Harbor? | Patricia Brennan Demuth, Who HQ | John Mantha | 112 |
| 2013 | Who Was Christopher Columbus? | Bonnie Bader, Who HQ | Nancy Harrison | 112 |
| 2013 | Who Was Sally Ride? | Megan Stine, Who HQ | Ted Hammond | 112 |
| 2013 | What Was the March on Washington? | Kathleen Krull, Who HQ | Tim Tomkinson | 112 |
| 2013 | What Was the Battle of Gettysburg? | Jim O'Connor, Who HQ | John Mantha | 106 |
| 2013 | What Was the Boston Tea Party? | Kathleen Krull, Who HQ | Lauren Mortimer | 112 |
| 2013 | What Was the Gold Rush? | Joan Holub, Who HQ | Tim Tomkinson | 112 |
| 2012 | Who Is Jane Goodall? | Roberta Edwards, Who HQ | John O'Brien | 112 |
| 2012 | Who Was Roald Dahl? | True Kelley, Who HQ | Stephen Marchesi | 112 |
| 2012 | Who Is J.K. Rowling? | Pam Pollack, Meg Belviso, Who HQ | Stephen Marchesi | 105 |
| 2012 | ¿Quién Fue Abraham Lincoln? | Janet B. Pascal, Who HQ | John O'Brien | 112 |
| 2012 | ¿Quién Fue Martin Luther King, Jr.? | Bonnie Bader, Who HQ | Elizabeth Wolf | 112 |
| 2012 | Who Was Steve Jobs? | Pam Pollack, Meg Belviso, Who HQ | John O'Brien | 112 |
| 2012 | Who Was Babe Ruth? | Joan Holub, Who HQ | Ted Hammond | 112 |
| 2011 | Who Was Dr. Seuss? | Janet B. Pascal, Who HQ | Nancy Harrison | 112 |
| 2010 | Who Was Jackie Robinson? | Who HQ, Gail Herman | John O'Brien | 112 |
| 2010 | Who Was Rosa Parks? | Yona Zeldis McDonough, Who HQ | Stephen Marchesi | 112 |
| 2010 | Who Was Jim Henson? | Joan Holub, Who HQ | Nancy Harrison | 112 |
| 2010 | Who Was Franklin Roosevelt? | Margaret Frith, Who HQ | John O'Brien | 105 |
| 2009 | Who Is Barack Obama? | Roberta Edwards, Who HQ | John O'Brien | 112 |
| 2009 | Who Was Claude Monet? | Who HQ, Ann Waldron | Stephen Marchesi | 112 |
| 2009 | Who Was George Washington? | Roberta Edwards, Who HQ | True Kelley | 112 |
| 2009 | Who Was Walt Disney? | Whitney Stewart, Who HQ | Nancy Harrison | 112 |
| 2008 | Who Was Neil Armstrong? | Roberta Edwards, Who HQ | Stephen Marchesi | 112 |
| 2008 | Who Was Queen Elizabeth? | Who HQ, June Eding | Nancy Harrison | 112 |
| 2008 | Who Was Abraham Lincoln? | Janet B. Pascal, Who HQ | John O'Brien | 112 |
| 2007 | Who Was Martin Luther King, Jr.? | Bonnie Bader, Who HQ | Elizabeth Wolf | 112 |
| 2007 | Who Was Elvis Presley? | Who HQ, Geoff Edgers | John O'Brien | 112 |
| 2007 | Who Was Marco Polo? | Joan Holub, Who HQ | John O'Brien | 112 |
| 2007 | Who Was Anne Frank? | Ann Abramson, Who HQ | Nancy Harrison | 112 |
| 2006 | Who Was William Shakespeare? | Who HQ, Celeste Mannis | John O'Brien | 105 |
| 2006 | Who Was Daniel Boone? | Who HQ, S. A. Kramer | George Ulrich | 112 |
| 2006 | Who Were the Beatles? | Who HQ, Geoff Edgers | Jeremy Tugeau | 112 |
| 2006 | Who Was King Tut? | Roberta Edwards, Who HQ | True Kelley | 112 |
| 2005 | Who Was Thomas Alva Edison? | Margaret Frith, Who HQ | John O'Brien | 112 |
| 2005 | Who Was Johnny Appleseed? | Joan Holub, Who HQ | Anna DiVito | 112 |
| 2005 | Who Was Leonardo da Vinci? | Roberta Edwards, Who HQ | True Kelley | 112 |
| 2005 | Who Was Charles Darwin? | Deborah Hopkinson, Who HQ | Nancy Harrison | 112 |
| 2005 | Who Was Louis Armstrong? | Yona Zeldis McDonough, Who HQ | John O'Brien | 112 |
| 2004 | Who Was John F. Kennedy? | Yona Zeldis McDonough, Who HQ | Jill Weber | 112 |
| 2004 | Who Was Ronald Reagan? | Joyce Milton, Who HQ | Elizabeth Wolf | 112 |
| 2004 | Who Was Ferdinand Magellan? | S. A. Kramer, Who HQ | | 112 |
| 2004 | Who Was Mark Twain? | April Jones Prince, Who HQ | John O'Brien | 112 |
| 2004 | Who Was Eleanor Roosevelt? | Who HQ, Gare Thompson | Elizabeth Wolf | 106 |
| 2003 | Who Was Helen Keller? | Who HQ, Gare Thompson | Nancy Harrison | 107 |
| 2003 | Who Was Thomas Jefferson? | Dennis Brindell Fradin, Who HQ | John O'Brien | 112 |
| 2003 | Who Was Wolfgang Amadeus Mozart? | Yona Zeldis McDonough, Who HQ | Carrie Robbins | 112 |
| 2002 | Who Was Amelia Earhart? | Kate Boehm Jerome, Who HQ | David Cain | 106 |
| 2002 | Who Was Maria Tallchief? | Who HQ, Catherine Gourley | Val Paul Taylor | 103 |
| 2002 | Who Was Harry Houdini? | Who HQ, Tui Sutherland | John O'Brien | 112 |
| 2002 | Who Was Sacagawea? | Dennis Brindell Fradin, Who HQ, Judith Bloom Fradin | Val Paul Taylor | 112 |
| 2002 | Who Was Annie Oakley? | Stephanie Spinner, Who HQ | Larry Day | 112 |
| 2002 | Who Was Ben Franklin? | Dennis Brindell Fradin, Who HQ | John O'Brien | 105 |
| 2002 | Who Was Albert Einstein? | Jess Brallier, Who HQ | Robert Andrew Parker | 112 |
