- Adventure according to Humphrey, Betty G. Birney
- Mummies at the museum, Wong Herbert Yee
- The ferret's a foot, by Colleen AF Venable ; illustrated by Stephanie Yue
- Humphrey's creepy-crawly camping adventure, Betty G. Birney ; illustrated by Priscilla Burris
- Anyone but me, by Nancy Krulik ; illustrated by John & Wendy
- Happy birthday, Hamster, by Cynthia Lord ; pictures by Derek Anderson
- Sammy's great escape, by Marty Kelley
- Super Turbo saves the day!, written by Edgar Powers ; illustrated by Salvatore Costanza at Glass House Graphics
- Super Turbo and the fire-breathing dragon, written by Edgar Powers ; illustrated by Salvatore Costanza at Glass House Graphics
- Hamster Princess, Ursula Vernon
- Hamsters make terrible roommates, by Cheryl B. Klein ; illustrated by Abhi Alwar
- Leo's new pet, by Mick Gowar ; illustrated by Richard Morgan
- Freddy to the rescue, book three in the golden hamster saga, by Dietlof Reiche ; translated from the German by John Brownjohn ; illustrated by Joe Cepeda
- Hamstersaurus Rex gets crushed, by Tom O'Donnell ; illustrations by Tim Miller
- School days according to Humphrey, Betty G. Birney
- Summer according to Humphrey, Betty G. Birney
- Humphrey's mixed-up magic trick, Betty G. Birney ; illustrated by Priscilla Burris
- Friendship according to Humphrey, Betty G. Birney
- Captain Awesome to the rescue!, by Stan Kirby ; illustrated by George O'Connor
- Freddy in peril, book two in the Golden Hamster saga, by Dietlof Reiche ; translated from the German by John Brownjohn ; illustrated by Joe Cepeda
- The misadventures of Sweetie Pie, Chris Van Allsburg
- Hamster Holmes, a big-time puzzle, by Albin Sadar ; illustrated by Valerio Fabbretti
- I, Freddy, book one in the golden hamster saga, by Dietlof Reiche ; translated from the German by John Brownjohn ; illustrated by Joe Cepeda
- Song Lee and the hamster hunt, by Suzy Kline ; pictures by Frank Remkiewicz
- Hamstersaurus Rex vs. Squirrel Kong, by Tom O'Donnell ; illustrations by Tim Miller
- Stop that hamster!, by Abby Klein ; illustrated by John McKinley
- Stanley's colors, by William Bee
- Super Turbo vs. Wonder Pig, written by Edgar Powers ; illustrated by Salvatore Costanza at Glass House Graphics
- Groundhog Day, Margaret McNamara ; illustrated by Mike Gordon
- Trouble according to Humphrey, Betty G. Birney
- Adventure according to Humphrey, Betty G. Birney
- Super Turbo protects the world, by Edgar J. Powers ; illustrated by Glass House Graphics
- Hot Rod Hamster, monster truck mania!, by Cynthia Lord ; pictures by Derek Anderson
- Humphrey's playful puppy problem, Betty G. Birney ; illustrated by Priscilla Burris
- Hamstersaurus Rex vs. the cutepocalypse, by Tom O'Donnell ; illustrations by Tim Miller
- Stanley's opposites, [text and illustrations] by William Bee
- My zombie hamster, Havelock McCreely
- Humphrey's school fair surprise, Betty G. Birney ; illustrated by Priscilla Burris
- The world according to Humphrey, Betty G. Birney
- Hide and squeak, written by Ann Ingalls and Sue Lowell Gallion ; illustrated by Andre Ceolin
- One nosy pup, by Carol Wallace ; illustrated by Steve Björkman
- Imagination according to Humphrey, Betty G. Birney
- The best seat in second grade, story by Katharine Kenah ; pictures by Abby Carter
- Hamster princess, Harriet the invincible, by Ursula Vernon
- One ridonculous adventure, by Catherine Daly ; illustrated by Aurian Redson
- Of mice and magic, by Ursula Vernon
- Super Turbo vs. the flying ninja squirrels, written by Edgar Powers ; illustrated by Salvatore Costanza at Glass House Graphics
- Hot rod hamster!, by Cynthia Lord ; pictures by Derek Anderson
- Life according to Og the frog, Betty G. Birney
- Max and Mo go apple picking, by Patricia Lakin ; illustrated by Brian Floca