- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- Dog Squad, Chris Grabenstein ; illustrations by Beth Hughes
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- Word of mouse, James Patterson and Chris Grabenstein ; illustrated by Joe Sutphin
- Max Einstein, the genius experiment, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- The greatest treasure hunt, James Patterson, Bryan Kennedy, Chris Grabenstein, and Juliana Neufeld
- School of laughs, James Patterson, author of the #1 New York times bestseller I funny, and Chris Grabenstein ; [with Emily Raymond]
- Sandapalooza shake-up, Chris Grabenstein ; illustrated by Kelly Kennedy
- Escape from Mr. Lemoncello's library, Chris Grabenstein
- Jacky Ha-Ha, my life is a joke, James Patterson, Chris Grabenstein ; illustrated by Kerascoët
- Shine!, J.J. and Chris Grabenstein
- Evil genius, Chris Grabenstein
- Evil genius, Chris Grabenstein
- The ultimate quest, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Scaredy cat, James Patterson and Chris Grabenstein ; illustrated by John Herzog
- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- Mr. Lemoncello's All-Star Breakout Game, Chris Grabenstein
- The smartest kid in the universe, Chris Grabenstein
- Mr. Lemoncello's library olympics, Chris Grabenstein
- The island of Dr. Libris, Chris Grabenstein
- Jacky Ha-Ha, James Patterson and Chris Grabenstein
- Mr. Lemoncello's very first game, Chris Grabenstein
- Mr. Lemoncello's Library Olympics, Chris Grabenstein
- Lights out, James Patterson and Chris Grabenstein
- Mr. Lemoncello's great library race, Chris Grabenstein
- Lights out, James Patterson and Chris Grabenstein
- Beach battle blowout, by Chris Grabenstein ; illustrated by Kelly Kennedy
- Jacky Ha-Ha, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- I even funnier, James Patterson and Chris Grabenstein
- Escape from Mr. Lemoncello's library, Chris Grabenstein
- Quest for the city of gold, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Treasure hunters, by James Patterson and Chris Grabenstein, with Mark Shulman
- No is all I know, written by Chris Grabenstein ; pictures by Leo Espinosa
- Mr. Lemoncello's great library race, Chris Grabenstein
- Katt loves Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki López
- Genius Camp, Chris Grabenstein
- Super puzzletastic mysteries, short stories for young sleuths from Mystery Writers of America
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- Laugh out loud, James Patterson, #1 bestselling author of Middle school and I funny, and Chris Grabenstein
- World champions!, James Patterson and Chris Grabenstein ; illustrated by Jay Fabares
- The nerdiest, wimpiest, dorkiest I funny ever, James Patterson with Chris Grabenstein
- I funny TV, a middle school story, James Patterson and Chris Grabenstein ; illustrations by Laura Park
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- Home sweet motel, Chris Grabenstein ; illustrated by Brooklyn Allen
- Shine!, J.J. and Chris Grabenstein
- Katt vs. Dogg, James Patterson and Chris Grabenstein
- Danger down the Nile, by James Patterson and Chris Grabenstein
- No more naps!, a story for when you're wide-awake and definitely not tired, Chris Grabenstein ; pictures by Leo Espinosa
- Mr. Lemoncello's very first game, Chris Grabenstein