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

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)
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
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)
Genius Camp: The Smartest Kid in the Universe, Book 2
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Genius Camp: The Smartest Kid in the Universe, Book 2
by Chris Grabenstein
All American Adventure (Treasure Hunters Series #6)
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All American Adventure (Treasure Hunters Series #6)
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
Secret of the Forbidden City (Treasure Hunters Series #3)
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Secret of the Forbidden City (Treasure Hunters Series #3)
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
Home Sweet Motel (Welcome to Wonderland Series #1)
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Home Sweet Motel (Welcome to Wonderland Series #1)
by Chris Grabenstein
The Ultimate Quest (Treasure Hunters Series #8)
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The Ultimate Quest (Treasure Hunters Series #8)
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
Treasure Hunters Complete Paperback Gift Set
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Treasure Hunters Complete Paperback Gift Set
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
NO Is All I Know!
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NO Is All I Know!
by Chris Grabenstein, Leo Espinosa (Illustrator)
Jacky Ha-Ha
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Jacky Ha-Ha
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
Jacky Ha-Ha Gets the Last Laugh
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Jacky Ha-Ha Gets the Last Laugh
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
House of Robots (House of Robots Series #1)
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House of Robots (House of Robots Series #1)
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
Jacky Ha-Ha: A Graphic Novel
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Jacky Ha-Ha: A Graphic Novel
by James Patterson, Chris Grabenstein, Adam Rau (Adapted by), Betty Tang (Illustrator)

More From This Author

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Word of Mouse
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Word of Mouse
by James Patterson, Chris Grabenstein
Narrated by  Nate Begle
Audiobook (Unabridged)

$18.04 $18.99

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Title: Treasure Hunters Complete Paperback Gift Set, Author: James Patterson
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Treasure Hunters Complete…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
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Paperback $81.00
Title: Treasure Hunters (Treasure Hunters Series #1), Author: James Patterson
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Treasure Hunters (Treasure…
by James Patterson, Chris Grabenstein, Mark Shulman (With), Juliana Neufeld (Illustrator)
#1 in Series
Paperback $9.99
Title: The Ultimate Quest (Treasure Hunters Series #8), Author: James Patterson
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The Ultimate Quest (Treasure…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#8 in Series
Hardcover $14.99
The Smartest Kid in the Universe: Books 1-3: The Smartest Kid in the Universe, Book 1; Genius Camp: The Smartest Kid in the Universe, Book 2; Evil Genius: The Smartest Kid in the Universe, Book 3 Pre-Order Now
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The Smartest Kid in the…
by Chris Grabenstein
Narrated by  Kirby Heyborne
Explore Series
Audiobook (Unabridged)

$27.50

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Title: The Smartest Kid in the Universe, Book 1, Author: Chris Grabenstein
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The Smartest Kid in the…
by Chris Grabenstein
#1 in Series
Paperback $8.99
Title: The Plunder Down Under (Treasure Hunters Series #7), Author: James Patterson
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The Plunder Down Under…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#7 in Series
Hardcover $14.99
Title: The Great Mouse Escape!: A Word of Mouse Tail, Author: James Patterson Pre-Order Now
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The Great Mouse Escape!: A…
by James Patterson, Chris Grabenstein
#2 in Series
Hardcover $17.99
Title: Secret of the Forbidden City (Treasure Hunters Series #3), Author: James Patterson
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Secret of the Forbidden City…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#3 in Series
Hardcover $14.99
Title: Sandapalooza Shake-Up (Welcome to Wonderland Series #3), Author: Chris Grabenstein
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Sandapalooza Shake-Up (Welcome…
by Chris Grabenstein
#3 in Series
Paperback $7.99
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
Hardcover $14.99
Title: Robot Revolution (House of Robots Series #3), Author: James Patterson
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Robot Revolution (House of…
by James Patterson, Chris Grabenstein (With), Juliana Neufeld (Illustrator)
#3 in Series
Hardcover $13.99
Title: Quest for the City of Gold (Treasure Hunters Series #5), Author: James Patterson
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Quest for the City of Gold…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#5 in Series
eBook $9.99
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Pottymouth and Stoopid
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Pottymouth and Stoopid
by James Patterson, Chris Grabenstein
Narrated by  Scott Connolly
Audiobook (Unabridged) $18.99
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Title: No More Naps!: A Story for When You're Wide-Awake and Definitely NOT Tired, Author: Chris Grabenstein
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No More Naps!: A Story for…
by Chris Grabenstein, Leo Espinosa (Illustrator)
Board Book $8.99
Title: NO Is All I Know!, Author: Chris Grabenstein
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NO Is All I Know!
by Chris Grabenstein, Leo Espinosa (Illustrator)
Hardcover $18.99
Title: My Life Is a Joke (Jacky Ha-Ha Series #2), Author: James Patterson
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My Life Is a Joke (Jacky Ha-Ha…
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
#2 in Series
Hardcover $13.99
Title: Laugh Out Loud, Author: James Patterson
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Laugh Out Loud
by James Patterson, Chris Grabenstein, Jeff Ebbeler (Illustrator)
Hardcover $13.99
Title: Jacky Ha-Ha: My Life Is a Joke, Author: James Patterson
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Jacky Ha-Ha: My Life Is a Joke
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
#2 in Series
Paperback $8.99
Title: Jacky Ha-Ha: A Graphic Novel, Author: James Patterson
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Jacky Ha-Ha: A Graphic Novel
by James Patterson, Chris Grabenstein, Adam Rau (Adapted by), Betty Tang (Illustrator)
#1 in Series
Paperback $12.99

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