Chris Grabenstein

Home sweet motel

Chris Grabenstein

Katt vs. Dogg

Chris Grabenstein, James Patterson

Word of mouse

Chris Grabenstein, James Patterson

Max Einstein: Rebels with a Cause

Chris Grabenstein, James Patterson

Jacky Ha-ha: My Life Is a Joke

Chris Grabenstein, James Patterson

Escape From Mr. Lemoncello's Library

Chris Grabenstein

Robots go wild!

Chris Grabenstein, James Patterson

Secret of the Forbidden City

Chris Grabenstein, James Patterson

Pottymouth and Stoopid

Chris Grabenstein, James Patterson

Laugh out loud

Jeffrey Ebbeler, Chris Grabenstein, James Patterson

The Island of Dr. Libris

Chris Grabenstein

Max Einstein: The Genius Experiment

Chris Grabenstein, James Patterson

Best Nerds Forever

Chris Grabenstein, James Patterson

House of Robots

Chris Grabenstein, James Patterson

Jacky Ha-Ha

Chris Grabenstein, James Patterson

Mr. Lemoncello's Library Olympics

Chris Grabenstein

I Funny School of Laughs

Chris Grabenstein, James Patterson