| 1900 | | Curious George's Dictionary | | Mary O'Keefe Young | 127 |
| 1940 | | Curious George and the Firefighters | H. A. Rey | | 24 |
| 1941 | | Curious George | H. A. Rey, Margret Rey | | 48 |
| 1941 | | Curious George's Are You Curious? | H. A. Rey | | 16 |
| 1942 | | Cecily G. and the Nine Monkeys | Margret Rey, H. A. Rey | | 48 |
| 1947 | | Curious George Takes a Job | H. A. Rey, Margret Rey | | 48 |
| 1952 | | Curious George Rides a Bike | H. A. Rey, Margret Rey | | 48 |
| 1952 | | Curious George Rides | | H. A. ReyᐧMargret E. Rey | 20 |
| 1957 | | Curious George Gets a Medal | Margret Rey, H. A. Rey | | 48 |
| 1958 | | Curious George Flies a Kite | Margret Rey, H. A. Rey | H. A. Rey | 80 |
| 1958 | | Curious George and the Bunny | H. A. Rey | | 24 |
| 1963 | | Curious George Learns the Alphabet | H. A. Rey, Margret Rey | | 80 |
| 1966 | | Curious George Goes to the Hospital | H. A. Rey, Margret Rey | | 48 |
| 1972 | | Curious George Feeds the Animals | Margret Rey, H. A. Rey | | 24 |
| 1984 | | Curious George and the Dump Truck | H. A. Rey, Margret Rey | | 24 |
| 1984 | | Curious George at the Aquarium | Margret Rey | H. A. ReyᐧAnna Grossnickle Hines | 24 |
| 1985 | | Curious George at the Fire Station | | | 32 |
| 1985 | | Curious George Visits the Zoo | H. A. Rey, Margret Rey | | 32 |
| 1985 | | Curious George and the Pizza | H. A. Rey, Margret Rey | | 32 |
| 1986 | | Curious George Plays Baseball | H. A. Rey, Margret Rey | | 32 |
| 1987 | | Curious George Goes Fishing | Margret | | 26 |
| 1987 | | Curious George Goes Fishing | Margret Rey | H. A. Rey | 24 |
| 1988 | | Curious George Goes to the Beach | H. A. Rey, Margaret Rey | | 24 |
| 1989 | | Curious George Goes to an Ice Cream Shop | H. A. Rey, Margret Rey | Alan J. Shalleck | 32 |
| 1989 | | Curious George and the Dinosaur | Margret Rey, H. A. Rey | | 32 |
| 1989 | | Curious George Visits the Dentist | H. A. Rey | | 24 |
| 1989 | | First Words at the Farm | Margret Rey, H. A. Rey | | 14 |
| 1990 | | Curious George Goes Camping | H. A. Rey, Margret Rey | Alan J. Shalleck | 24 |
| 1997 | | Curious George in the Snow | H. A. Rey, Margret Rey | | 24 |
| 1998 | | Curious George and the Puppies | H. A. Rey | | 24 |
| 1998 | | Curious George Makes Pancakes | H. A. Rey | | 24 |
| 1998 | | Curious George Goes to a Movie | H. A. Rey | | 24 |
| 1998 | | Curious George's Opposites | H. A. Rey | | 16 |
| 1998 | | Curious George's ABCs | H. A. Rey | | 24 |
| 1998 | | Curious George Goes to a Chocolate Factory | H. A. Rey, Margret Rey | | 24 |
| 1998 | | Curious George's Dream | H. A. Rey, Margret Rey | | 24 |
| 1998 | | Curious George and the Hot Air Balloon | H. A. Rey, Margret Rey | Vipah Interactive | 24 |
| 1999 | | Curious George at the Parade | H. A. Rey, Margret Rey | | 24 |
| 1999 | | New Adventures of Curious George | H. A. Rey, Margret Rey | | 208 |
| 2001 | | Curious George's 1 to 10 and Back Again | H. A. Rey, Margret Rey | | 20 |
| 2001 | | Curious George and the Rocket | | | 20 |
| 2001 | | Curious George in the Big City | H. A. Rey, Margret Rey | | 24 |
| 2001 | | Curious George Goes to a Costume Party | Margret Rey | | 24 |
| 2002 | | Curious George Takes a Train | Margret Rey, H. A. Rey | Martha Weston | 24 |
| 2002 | | Curious George Visits a Toy Store | H. A. Rey, Margret Rey | Alan J. Shalleck | 24 |
| 2003 | | Curious George and Friends | H. A. Rey, Margaret Rey | | 272 |
| 2003 | | Margret & H.A. Rey's Curious George Visits the Library | H. A. Rey | Martha Weston | 24 |
| 2003 | | Curious George and the Birthday Surprise | H. A. Rey, Margaret Rey | Martha Weston | 24 |
| 2004 | | Curious George's Neighborhood | H. A. Rey | | 10 |
| 2004 | | A Treasury of Curious George | H. A. Rey | | 208 |
| 2005 | | Curious George's First Day of School | H. A. Rey | | 24 |
| 2005 | | Curious George Learns to Count from 1 to 100 | H. A. Rey | | 80 |
| 2005 | | The Journey That Saved Curious George | Louise W. Borden | Allan Drummond | 80 |
| 2005 | | Sweet Dreams, Curious George | H. A. Rey | | 24 |
| 2006 | | Curious George's Dinosaur Discovery | Catherine Hapka | Anna Grossnickle Hines | 24 |
| 2006 | | Merry Christmas, Curious George | H. A. Rey, Catherine Hapka | Mary O'Keefe Young | 32 |
| 2006 | | First Words at the Circus | H. A. Rey | | 14 |
| 2006 | | Curious Baby My First Words at the Zoo | H. A. Rey | | 12 |
| 2006 | | Touch and Feel Book | Editors of Houghton Mifflin Co., H. A. Rey | | 10 |
| 2006 | | Curious George Builds a Home | H. A. Rey | | 24 |
| 2007 | | Curious George at the Zoo | H. A. Rey | | 10 |
| 2008 | | Curious About Phonics | H. A. Rey | | 192 |
| 2008 | | Curious You: On Your Way! | H. A. Rey | | 32 |
| 2008 | | Happy Halloween, Curious George | H. A. Rey | | 14 |
| 2009 | | Curious George Plants a Tree | H. A. Rey, Margret Rey | | 32 |
| 2009 | | Curious George Piñata Party | H. A. Rey | | 24 |
| 2009 | | Curious Baby Counting | H. A. Rey | | 12 |
| 2010 | | Happy Easter, Curious George | R. P. Anderson | Mary O'Keefe Young | 24 |
| 2010 | | Curious George and the Pizza Party | H. A. Rey, Margret Rey | | 24 |
| 2010 | | Happy Thanksgiving, Curious George | H. A. Rey | | 14 |
| 2010 | | Curious George Neighborhood Friends | H. A. Rey | | 12 |
| 2011 | | Curious George and the Ice Cream Surprise | H. A. Rey | | 24 |
| 2011 | | Happy Valentine's Day, Curious George! | N. Di Angelo | Mary O'Keefe Young | 14 |
| 2011 | | Curious George Parade Day | H. A. Rey | | 14 |
| 2011 | | Curious George Stories to Share | Margret Rey, H. A. Rey | | 196 |
| 2011 | | Curious George Pat-A-Cake | H. A. Rey | | 8 |
| 2011 | | Curious George Says Thank You | H. A. Rey | | 24 |
| 2012 | 1 | Curious George Colors Eggs | | | 24 |
| 2012 | | Apple Harvest | | | 24 |
| 2013 | | Curious George Saves His Pennies | H. A. Rey | | 24 |
| 2013 | | Curious George Dance Party | | | 24 |
| 2013 | | Where Is Curious George? | H. A. Rey | | 32 |
| 2013 | | Curious George Car Wash | H. A. Rey | | 24 |
| 2013 | | Curious George's 5-Minute Stories | H. A. Rey | | 192 |
| 2014 | | Happy St. Patrick's Day, Curious George | H. A. Rey | | 14 |
| 2014 | | A Home for Honeybees | | | 24 |
| 2015 | | Curious George at the Baseball Game | H. A. Rey | Anna Grossnickle Hines | 24 |
| 2015 | | Curious George Discovers the Rainbow | H. A. Rey | | 32 |
| 2016 | | It's Ramadan, Curious George | Hena Khan, H. A. Rey | | 14 |
| 2016 | | Curious George Farm to Table | H. A. Rey | | 24 |
| 2016 | | Hooray for Halloween, Curious George | H. A. Rey | | 24 |
| 2016 | | Happy Birthday, Curious George | H. A. Rey | | 14 |
| 2017 | | Curious George and the Sleepover | H. A. Rey | | 24 |
| 2017 | | Curious George Plays Soccer | H. A. Rey | | 24 |
| 2017 | | Curious George Builds a Tree House | H. A. Rey | | 24 |
| 2017 | | Ready for School | H. A. Rey, Mary O'Keefe Young | | 14 |
| 2017 | | Curious George's Day at the Farm | H. A. Rey | | 16 |
| 2017 | | Get Well, Curious George | H. A. Rey | | 24 |
| 2017 | | Good Night, Curious George | H. A. Rey | | 12 |
| 2018 | | Curious George in Super George! | H. A. Rey, Margret Rey | Artful Doodlers Ltd. | 40 |
| 2018 | | Curious About Winter | H. A. Rey | | 14 |
| 2019 | | Curious George Good Night, Zoo | H. A. Rey | | 24 |
| 2019 | | Curious George in The Big Surprise! | H. A. Rey | | 40 |
| 2019 | | Curious About Summer | H. A. Rey | | 14 |
| 2019 | | Curious George's Big Book of Discovery | H. A. Rey | | 256 |
| 2019 | | Curious George Goes Swimming | H. A. Rey | | 24 |
| 2019 | | Curious George My First Bedtime Stories | H. A. Rey | | 72 |
| 2019 | | My First Curious George | H. A. Rey, Margret Rey | | 24 |
| 2019 | | I Love You | H. A. Rey | | 16 |
| 2020 | | Curious About Spring | H. A. Rey | | 14 |
| 2020 | | Curious George and the Summer Games | H. A. Rey | | 24 |
| 2020 | | Curious George Curious about Fall Tabbed Board Book | H. A. Rey | | 14 |
| 2020 | | Curious George Votes | H. A. Rey | | 24 |
| 2023 | | It's Chinese New Year, Curious George | H. A. Rey, Maria Wen Adcock | | 16 |
| 2024 | | Curious George Colors Eggs | H. A. Rey | | 24 |
| 2024 | | What Will You Do, Curious George? | H. A. Rey | H. A. Rey | 40 |
| 2024 | | It's Christmas, Curious George! | H. A. Rey | H. A. Rey | 14 |
| 2024 | | Curious George: Scavenger Hunt | H. A. Rey | H. A. Rey | 32 |
| | Curious George Visits the Zoo | H. A. Rey, Margret | | 32 |
