Super Puzzletastic Mysteries
Chris Grabenstein
Mr. Lemoncello and the Titanium Ticket
The Smartest Kid in the Universe
Scaredy Cat
James Patterson & Chris Grabenstein & John Herzog
Dog Squad
Secret of the Forbidden City
James Patterson & Chris Grabenstein
Treasure Hunters (3)
Mr. Lemoncello's Great Library Race
Pottymouth and Stoopid
House of Robots
House of Robots (1)
House of Robots: Robot Revolution
House of Robots (3)
Jacky Ha-Ha: My Life Is a Joke
Jacky Ha-Ha (2)
Danger Down the Nile
Treasure Hunters (2)
Peril at the Top of the World
Treasure Hunters (4)
Treasure Hunters: The Plunder Down Under
Treasure Hunters (7)
Genius Camp
Escape from Mr. Lemoncello's Library
Treasure Hunters: Secret of the Forbidden City
James Patterson & Chris Grabenstein & Juliana Neufeld
House of Robots: Robots Go Wild!
House of Robots (2)
Mr. Lemoncello's Library Olympics
Jacky Ha-Ha
James Patterson & Chris Grabenstein & Kerascoët
Home Sweet Motel
Beach Party Surf Monkey
Welcome to Wonderland #3
Wonderland (1)
Katt vs. Dogg
Chris Grabenstein & James Patterson
Welcome to Wonderland #4
Mr. Lemoncello's All-Star Breakout Game
Shine!
J. J. Grabenstein & Chris Grabenstein
Best Nerds Forever
Mr. Lemoncello's Very First Game
Dog Squad 2: Cat Crew
Smartest Kid in the Universe #3
Mr. Lemoncello's Fantabulous Finale