- I even funnier :, a middle school story, James Patterson and Chris Grabenstein
- Sandapalooza shake-up, Chris Grabenstein ; illustrated by Kelly Kennedy
- House of Robots, James Patterson ; Chris Grabenstein
- Mr. Lemoncello's very first game, Chris Grabenstein
- Mr. Lemoncello's great library race, Chris Grabenstein
- Pottymouth and Stoopid, James Patterson and Chris Grabenstein ; illustrated by Stephen Gilpin
- Secret of the Forbidden City, by James Patterson and Chris Grabenstein
- Jacky Ha-Ha, a graphic novel, James Patterson and Chris Grabenstein ; adapted by Adam Rau ; illustrated by Betty C. Tang ; colored by Kevin Czap
- I totally funniest :, a middle school story, James Patterson and Chris Grabenstein
- Daniel X :, lights out, James Patterson and Chris Grabenstein
- Mr. Lemoncello's great library race, Chris Grabenstein
- Dog Squad, Chris Grabenstein ; illustrations by Beth Hughes
- Word of mouse, James Patterson and Chris Grabenstein ; illustrated by Joe Sutphin
- The greatest treasure hunt, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- The ultimate quest, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Secret of the Forbidden City, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- I funny TV :, a middle school story, James Patterson and Chris Grabenstein ; illustrated by Laura Park
- I funny TV :, a middle school story, James Patterson and Chris Grabenstein ; illustrated by Laura Park
- Word of mouse, James Patterson and Chris Grabenstein ; illustrated by Joe Sutphin
- Max Einstein saves the future, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- Katt vs. Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki López
- All-American adventure, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Robots go wild, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- The smartest kid in the universe, Chris Grabenstein
- The ultimate quest, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- I totally funniest :, a Middle School story, James Patterson and Chris Grabenstein ; illustrated by Laura Park
- Genius Camp, Chris Grabenstein
- The greatest treasure hunt, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Pottymouth and Stoopid, James Patterson and Chris Grabenstein
- Mr. Lemoncello's library, the graphic novel, Chris Grabenstein ; illustrated by Douglas Holgatem ; with colors by Marta Todeschini, 1
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- Sandapalooza shake-up, Chris Grabenstein ; illustrated by Kelly Kennedy
- Peril at the top of the world, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Cat crew, Chris Grabenstein ; illustrations by Beth Hughes
- School of laughs, James Patterson and Chris Grabenstein ; with Emily Raymond ; illustrated by Jomike Tejido
- Robot revolution, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Jacky Ha-Ha, Chris Grabenstein
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- Peril at the top of the world, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- The nerdiest, wimpiest, dorkiest I funny ever, James Patterson with Chris Grabenstein ; illustrations by Jomike Tejido and Laura Park
- Danger down the Nile, James Patterson ; Chris Grabenstein
- Cat crew, Chris Grabenstein
- Max Einstein :, the genius experiment, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- Quest for the city of gold, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- Beach battle blowout, Chris Grabenstein ; illustrated by Kelly Kennedy
- My life is a joke, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- Laugh out loud, James Patterson and Chris Grabenstein ; illustrated by Jeff Ebbeler
- Mr. Lemoncello's very first game, Chris Grabenstein