Jim O’Connor is the author of What Was Pompeii?, What Was the Battle of Gettysburg?, and Who Is Bob Dylan?
Joan Holub has authored and/or illustrated over 140 children’s books, including the Goddess Girls series, the Heroes in Training series, the New York Times bestselling picture book Mighty Dads (illustrated by James Dean), and Little Red Writing (illustrated by Melissa Sweet). She lives in North Carolina and is online at JoanHolub.com. (Bio via http://www.simonandschuster.com/authors/Joan-Holub/1440894)
Kathleen Krull is the award-winning author of many books for children and young adults. She lives in San Diego, CA. Visit Kathleen online at www.kathleenkrull.com.
Patricia Brennan Demuth is the author of several Who HQ titles, including Who Was Bill Gates?, What Was Pearl Harbor?, and What Was D-Day?
Pamela Pollack and Meg Belviso are authors of several books in this series, including Who Is George Lucas?, Who Was Alfred Hitchcock?, and Who Was Susan B. Anthony?
Yona Zeldis McDonough is a longtime doll lover and collector. She is also an award-winning author who has published numerous books for children and adults. She presently lives in Brooklyn with her husband and two children.
Megan Stine has written several biographies for young readers, including “Who Is Michelle Obama?” and “Who Was Sally Ride? “She lives in Clinton, Connecticut.
Nico Medina is the author of Where Is Mount Everest? and Who Was Julius Caesar? He lives in Brooklyn, New York.
Bonnie Bader lives in Brooklyn, New York. Elizabeth Wolf lives in Boise, Idaho. Nancy Harrison lives in Allentown, Pennsylvania.
Deborah Hopkinson is the award-winning author of numerous critically acclaimed picture books, middle grade fiction, and nonfiction. She lives in Oregon with her family and menagerie of pets.
Varian Johnson is the author of several novels for children and young adults, including The Great Greene Heist, which was an ALA Notable Children’s Book, a Kirkus Reviews Best Book of 2014, and a Texas Library Association Lone Star List selection, and To Catch a Cheat, another Jackson Greene adventure and a Kids’ Indie Next List pick. He lives with his family near Austin, Texas. You can find him on the web at www.varianjohnson.com and @varianjohnson.
Jess Brallier is the publisher of Planet Dexter and the author of more than 20 books. He lives in Reading, MA.
Michael Burgan has written numerous books for children and young adults. Many of his books have focused on US history, geography, and the lives of world leaders. He has also written fiction and adapted classic novels. Michael has won several awards for his writing, and his graphic novel version of the classic tale Frankenstein (Stone Arch Books) was a Junior Library Guild selection. Michael graduated from the University of Connecticut with a bachelor’s degree in history. When not writing for kids, he enjoys writing plays, and his works have been staged across the United States. He lives in Santa Fe, New Mexico, with his cat, Callie.
Roberta Edwards lives in New York, New York. Ken Call lives in Northbrook, Illinois.