- Sandapalooza shake-up, Chris Grabenstein ; illustrated by Kelly Kennedy
- Scaredy Cat, James Patterson and Chris Grabenstein ; illustrated by John Herzog
- I funny TV, a middle school story, James Patterson and Chris Grabenstein ; illustrated by Laura Park
- Dog Squad, Chris Grabenstein ; illustrations by Beth Hughes
- Max Einstein, rebels with a cause, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- World champions!, a Max Einstein adventure, James Patterson and Chris Grabenstein ; illustrated by Jay Fabares
- Best nerds forever, James Patterson & Chris Grabenstein ; illustrated by Charles Santoso
- The ultimate quest, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Peril at the top of the world, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Max Einstein saves the future, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- The nerdiest, wimpiest, dorkiest I funny ever, James Patterson and Chris Grabenstein ; illustrated by Jomike Tejido and Laura Park
- Laugh out loud, James Patterson and Chris Grabenstein ; illustrated by Jeff Ebbeler
- Escape from Mr. Lemoncello's library, Chris Grabenstein
- Shine!, J.J. & Chris Grabenstein ; illustrations by Leslie Mechanic
- Jacky Ha-Ha, my life is a joke, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- All-American adventure, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- The smartest kid in the universe, Chris Grabenstein
- Super puzzletastic mysteries, short stories for young sleuths from Mystery Writers of America
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- Katt vs. Dogg, James Patterson and Chris Grabenstein
- Beach party surf monkey, Chris Grabenstein ; illustrated by Brooke Allen
- Jacky Ha-Ha, James Patterson and Chris Grabenstein ; adapted by Adam Rau and Betty C. Tang
- The island of Dr. Libris, Chris Grabenstein
- Katt vs. Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki Lopez
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- I funny, school of laughs, James Patterson and Chris Grabenstein ; with Emily Raymond ; illustrated by Jomike Tejido
- I funny: school of laughs, James Patterson
- Beach battle blowout, by Chris Grabenstein ; illustrated by Kelly Kennedy, Book 4
- Pottymouth and Stoopid, James Patterson and Chris Grabenstein ; illustrated by Stephen Gilpin
- Katt loves Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki López
- Jacky Ha-Ha, my life is a joke : a graphic novel, James Patterson and Chris Grabenstein ; adapted by Adam Rau ; illustrated by Betty C. Tang ; colored by Kevin Czap
- Shine!, J.J. and Chris Grabenstein
- Secret of the Forbidden City, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Robot revolution, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Cat crew, Chris Grabenstein ; illustrations by Beth Hughes
- Word of mouse, James Patterson and Chris Grabenstein ; illustrated by Joe Sutphin
- I totally funniest, a middle school story, James Patterson and Chris Grabenstein
- The plunder down under, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Mr. Lemoncello's very first game, Chris Grabenstein
- Mr. Lemoncello's Library Olympics, Chris Grabenstein
- Genius Camp, Chris Grabenstein
- Treasure hunters, by James Patterson and Chris Grabenstein with Mark Shulman ; illustrated by Juliana Neufeld
- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- Mr. Lemoncello's library olympics, Chris Grabenstein
- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- No more naps!, a story for when you're wide-awake and definitely not tired, Chris Grabenstein ; pictures by Leo Espinosa
- Treasure hunters, James Patterson and Chris Grabenstein
- Quest for the city of gold, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Home sweet motel, Chris Grabenstein ; illustrated by Brooke Allen
- Mr. Lemoncello's great library race, Chris Grabenstein