Author of the brilliant and puzzle-packed Mr. Lemoncello books, Chris Grabenstein (pronounced like Frankenstein!) writes plot-twists and adventure stories that captivate young readers. Aside from his own books, which include The Island of Dr. Libris, The Haunted Mystery series, and the Riley Mack series, he has also co-authored numerous books with acclaimed author James Patterson, including the I Funny series, Treasure Hunters series, and Jacky Ha Ha.

Bestsellers

Escape from Mr. Lemoncello's Library (Mr. Lemoncello Series #1)
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Escape from Mr. Lemoncello's Library (Mr. Lemoncello Series #1)
by Chris Grabenstein
Mr. Lemoncello's Fantabulous Finale Pre-Order Now
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Mr. Lemoncello's Fantabulous Finale
by Chris Grabenstein
Best Nerds Forever
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Best Nerds Forever
by James Patterson, Chris Grabenstein
Treasure Hunters (Treasure Hunters Series #1)
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Treasure Hunters (Treasure Hunters Series #1)
by James Patterson, Chris Grabenstein, Mark Shulman (With), Juliana Neufeld (Illustrator)
Mr. Lemoncello's Library Olympics (Mr. Lemoncello Series #2)
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Mr. Lemoncello's Library Olympics (Mr. Lemoncello Series #2)
by Chris Grabenstein
The Smartest Kid in the Universe, Book 1
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The Smartest Kid in the Universe, Book 1
by Chris Grabenstein
Dog Squad
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Dog Squad
by Chris Grabenstein
Mr. Lemoncello's Very First Game
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Mr. Lemoncello's Very First Game
by Chris Grabenstein
Escape from Mr. Lemoncello's Library (Movie Tie-In Edition) (Mr. Lemoncello Series #1)
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Escape from Mr. Lemoncello's Library (Movie Tie-In Edition) (Mr. Lemoncello Series #1)
by Chris Grabenstein
Mr. Lemoncello's All-Star Breakout Game (Mr. Lemoncello Series #4)
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Mr. Lemoncello's All-Star Breakout Game (Mr. Lemoncello Series #4)
by Chris Grabenstein
Escape from Mr. Lemoncello's Library: The Graphic Novel
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Escape from Mr. Lemoncello's Library: The Graphic Novel
by Chris Grabenstein, Douglas Holgate (Illustrator)
Mr. Lemoncello's Great Library Race (Mr. Lemoncello Series #3)
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Mr. Lemoncello's Great Library Race (Mr. Lemoncello Series #3)
by Chris Grabenstein
Mr. Lemoncello and the Titanium Ticket (Mr. Lemoncello Series #5)
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Mr. Lemoncello and the Titanium Ticket (Mr. Lemoncello Series #5)
by Chris Grabenstein
I Funny: A Middle School Story (I Funny Series #1)
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I Funny: A Middle School Story (I Funny Series #1)
by James Patterson, Chris Grabenstein, Laura Park (Illustrator)
Danger Down the Nile (Treasure Hunters Series #2)
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Danger Down the Nile (Treasure Hunters Series #2)
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)

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Title: Robots Go Wild! (House of Robots Series #2), Author: James Patterson
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Robots Go Wild! (House of…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#2 in Series
Hardcover $14.99
Title: Robots Go Wild! (House of Robots Series #2), Author: James Patterson
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Robots Go Wild! (House of…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#2 in Series
eBook $9.99
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Robots Go Wild! (House of Robots Series #2)
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Robots Go Wild! (House of…
by James Patterson, Chris Grabenstein
Narrated by  Jack Patterson
#2 in Series
Audiobook (Unabridged) $18.99
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Robots Go Wild! (House of Robots Series #2)
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Robots Go Wild! (House of…
by James Patterson, Chris Grabenstein
Narrated by  Jack Patterson
#2 in Series
Audiobook (Unabridged) $18.99
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Title: I Funny TV: A Middle School Story (I Funny Series #4), Author: James Patterson
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I Funny TV: A Middle School…
by James Patterson, Chris Grabenstein, Laura Park (Illustrator)
#4 in Series
eBook $9.99
Title: I Funny TV: A Middle School Story (I Funny Series #4), Author: James Patterson
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I Funny TV: A Middle School…
by James Patterson, Chris Grabenstein, Laura Park (Illustrator)
#4 in Series
Hardcover $13.99
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I Funny TV: A Middle School Story (I Funny Series #4)
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I Funny TV: A Middle School…
by James Patterson, Chris Grabenstein
Narrated by  Frankie Seratch
#4 in Series
Audiobook (Unabridged) $18.99
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I Funny TV: A Middle School Story (I Funny Series #4)
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I Funny TV: A Middle School…
by James Patterson, Chris Grabenstein
Narrated by  Frankie Seratch
#4 in Series
Audiobook (Unabridged) $18.99
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Title: Mr. Lemoncello's Library Olympics (Mr. Lemoncello Series #2), Author: Chris Grabenstein
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Mr. Lemoncello's Library…
by Chris Grabenstein
#2 in Series
eBook $8.99
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Mr. Lemoncello's Library Olympics (Mr. Lemoncello Series #2)
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Mr. Lemoncello's Library…
by Chris Grabenstein
Narrated by  Jesse Bernstein
#2 in Series
Audiobook (Unabridged) $18.00
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Mr. Lemoncello's Library Olympics (Mr. Lemoncello Series #2)
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Mr. Lemoncello's Library…
by Chris Grabenstein
Narrated by  Jesse Bernstein
#2 in Series
Audiobook (Unabridged) $18.00
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Title: Jacky Ha-Ha, Author: James Patterson
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Jacky Ha-Ha
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
#1 in Series
Hardcover $36.99
Title: Jacky Ha-Ha, Author: James Patterson
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Jacky Ha-Ha
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
#1 in Series
eBook $6.99
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Jacky Ha-Ha
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Jacky Ha-Ha
by James Patterson, Chris Grabenstein
Narrated by  Tara Sands
#1 in Series
Audiobook (Unabridged) $18.99
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Jacky Ha-Ha
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Jacky Ha-Ha
by James Patterson, Chris Grabenstein
Narrated by  Tara Sands
#1 in Series
Audiobook (Unabridged) $18.99
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Title: The Island of Dr. Libris, Author: Chris Grabenstein
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The Island of Dr. Libris
by Chris Grabenstein
Paperback $8.99
Title: Tutti pazzi per me! (I Totally Funniest), Author: James Patterson
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Tutti pazzi per me! (I Totally…
by James Patterson, Chris Grabenstein
#3 in Series
eBook $11.99
Title: Cacciatori di tesori Pericolo sul Nilo, Author: James Patterson
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Cacciatori di tesori Pericolo…
by James Patterson, Chris Grabenstein
#2 in Series
eBook $9.99
Title: Peril at the Top of the World (Treasure Hunters Series #4), Author: James Patterson
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Peril at the Top of the World …
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#4 in Series
Hardcover $14.99
Title: Peril at the Top of the World (Treasure Hunters Series #4), Author: James Patterson
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Peril at the Top of the World …
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#4 in Series
eBook $9.99

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