- Peril at the top of the world, by James Patterson and Chris Grabenstein ; [illustrations by Juliana Neufeld]
- Secret of the Forbidden City, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Best nerds forever, James Patterson & Chris Grabenstein ; illustrated by Charles Santoso
- No more naps!, a story for when you're wide-awake and definitely not tired, Chris Grabenstein ; pictures by Leo Espinosa
- The greatest treasure hunt, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Secret of the Forbidden City, James Patterson and Chris Grabenstein
- The ultimate quest, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- All-American adventure, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Laugh out loud, James Patterson and Chris Grabenstein
- Mr. Lemoncello's great library race, Chris Grabenstein
- Shine!, J.J. & Chris Grabenstein ; illustrations by Leslie Mechanic
- Peril at the top of the world, James Patterson and Chris Grabenstein
- Scaredy Cat, James Patterson and Chris Grabenstein ; illustrated by John Herzog
- Pottymouth & Stoopid, James Patterson and Chris Grabenstein ; illustrated by Stephen Gilpin
- Genius Camp, Chris Grabenstein
- Danger down the Nile, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Super puzzletastic mysteries, short stories for young sleuths from Mystery Writers of America
- Max Einstein saves the future, James Patterson and Chris Grabenstein ; [illustrated by Beverly Johnson]
- Max Einstein, rebels with a cause, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- The plunder down under, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Katt vs. Dogg, James Patterson and Chris Grabenstein
- All-American adventure, James Patterson and Chris Grabenstein
- Rebels with a cause, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- The plunder down under, by James Patterson and Chris Grabenstein
- Treasure hunters
- Danger down the Nile, by James Patterson and Chris Grabenstein
- School of laughs, James Patterson and Chris Grabenstein ; with Emily Raymond ; illustrated by Jomike Tejido
- Home sweet motel, Chris Grabenstein ; illustrated by Brooke Allen
- House of robots, James Patterson and Chris Grabenstein
- Robots go wild!, James Patterson and Chris Grabenstein
- Quest for the city of gold, by James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- The smartest kid in the universe, Chris Grabenstein
- Escape from Mr. Lemoncello's library, the graphic novel, Chris Grabenstein ; illustrated by Douglas Holgatem ; with colors by Marta Todeschini
- Max Einstein saves the future, James Patterson and Chris Grabenstein ; illustrated by Beverly Johnson
- Robot revolution, James Patterson and Chris Grabenstein ; illustrated by Juliana Neufeld
- Mr. Lemoncello's very first game, Chris Grabenstein
- Mr. Lemoncello's library olympics, Chris Grabenstein
- I funny TV, a middle school story, James Patterson and Chris Grabenstein ; illustrated by Laura Park
- Katt vs. Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki López
- Katt loves Dogg, James Patterson and Chris Grabenstein ; illustrated by Anuki López
- Jacky Ha-Ha, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- Max Einstein, the genius experiment, James Patterson and Chris Grabenstein
- Dog Squad, Chris Grabenstein ; illustrations by Beth Hughes
- Quest for the city of gold, James Patterson and Chris Grabenstein
- Scaredy Cat, James Patterson & Chris Grabenstein
- Mr. Lemoncello's great library race, Chris Grabenstein
- I even funnier, James Patterson and Chris Grabenstein
- Mr. Lemoncello and the titanium ticket, Chris Grabenstein
- Jacky Ha-Ha, my life is a joke, James Patterson and Chris Grabenstein ; illustrated by Kerascoët
- World champions!, a Max Einstein adventure, James Patterson and Chris Grabenstein ; illustrated by Jay Fabares