- Jacky Ha-Ha gets the last laugh, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- Jacky Ha-Ha, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- Cat Crew, Chris Grabenstein ; illustrations by Beth Hughes
- Pottymouth and Stoopid, James Patterson and Chris Grabenstein ; illustrated by Stephen Gilpin
- I funny TV, a middle school story, James Patterson and Chris Grabenstein ; illustrations by Laura Park
- The smartest kid in the universe, Chris Grabenstein
- Shine!, J.J. & Chris Grabenstein ; illustrations by Leslie Mechanic
- Max Einstein, the genius experiment, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- Robots go wild!, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- No more naps!, a story for when you're wide-awake and definitely not tired, Chris Grabenstein ; pictures by Leo Espinosa
- Max Einstein, rebels with a cause, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- Jacky Ha-Ha, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- Jacky Ha-Ha, James Patterson
- I even funnier, a middle school story, James Patterson and Chris Grabenstein ; illustrated by Laura Park
- I funny, school of laughs, James Patterson and Chris Grabenstein ; with Emily Raymond ; illustrated by Jomike Tejido
- The plunder down under, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- 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, [2]
- Mr. Lemoncello's very first game, Chris Grabenstein
- House of robots, 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
- The ultimate quest, James Patterson and Chris Grabenstein
- Best nerds forever, James Patterson & Chris Grabenstein ; illustrated by Charles Santoso
- Beach party surf monkey, Chris Grabenstein ; illustrated by Brooke Allen
- All-American adventure, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Sandapalooza shake-up, Chris Grabenstein ; illustrated by Kelly Kennedy
- Escape from Mr. Lemoncello's library [playaway], Chris Grabenstein
- Scaredy Cat, James Patterson and Chris Grabenstein ; illustrated by John Herzog
- Robot revolution, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- The ultimate quest, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Dog Squad, Chris Grabenstein ; illustrations by Beth Hughes
- I funny, a middle school story, James Patterson and Chris Grabenstein ; [illustrations by Laura Park]
- Katt loves Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki López
- Katt vs. Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki Lopez
- Jacky Ha-Ha, a graphic novel, James Patterson and Chris Grabenstein ; adapted by Adam Rau ; illustrated by Betty C. Tang, [1]
- Word of mouse, James Patterson and Chris Grabenstein ; illustrated by Joe Sutphin
- Cat crew, Chris Grabenstein ; illustrations by Beth Hughes
- Home sweet motel, Chris Grabenstein ; illustrated by Brooke Allen
- Max Einstein saves the future, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- Super puzzletastic mysteries, short stories for young sleuths from Mystery Writers of America
- Mr. Lemoncello's All-Star Breakout Game, Chris Grabenstein
- Danger down the Nile, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Secret of the forbidden city, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Quest for the city of gold, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Mr. Lemoncello's Library Olympics [playaway], Chris Grabenstein
- The island of Dr. Libris, Chris Grabenstein
- Genius camp, Chris Grabenstein
- The nerdiest, wimpiest, dorkiest I funny ever, James Patterson and Chris Grabenstein ; illustrated by Jomike Tejido and Laura Park
- Mr. Lemoncello's very first game, Chris Grabenstein
- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- My life is a joke, James Patterson, Chris Grabenstein ; illustrated by Kerascoët