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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: 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 Fantabulous Finale (Mr. Lemoncello Series #6) Pre-Order Now
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Mr. Lemoncello's Fantabulous Finale (Mr. Lemoncello Series #6)
by Chris Grabenstein
NO Is All I Know!
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NO Is All I Know!
by Chris Grabenstein, Leo Espinosa (Illustrator)
Katt Loves Dogg
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Katt Loves Dogg
by James Patterson, Chris Grabenstein, Anuki López (Illustrator)
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)
Treasure Hunters: The Greatest Treasure Hunt
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Treasure Hunters: The Greatest Treasure Hunt
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
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)
Super Puzzletastic Mysteries: Short Stories for Young Sleuths from Mystery Writers of America
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Super Puzzletastic Mysteries: Short Stories for Young Sleuths from Mystery Writers of America
by Chris Grabenstein, Stuart Gibbs, Lamar Giles, Bruce Hale, Peter Lerangis
The Plunder Down Under (Treasure Hunters Series #7)
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The Plunder Down Under (Treasure Hunters Series #7)
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
Peril at the Top of the World (Treasure Hunters Series #4)
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Peril at the Top of the World (Treasure Hunters Series #4)
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
Beach Party Surf Monkey (Welcome to Wonderland Series #2)
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Beach Party Surf Monkey (Welcome to Wonderland Series #2)
by Chris Grabenstein
My Life Is a Joke (Jacky Ha-Ha Series #2)
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My Life Is a Joke (Jacky Ha-Ha Series #2)
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
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)
World Champions! A Max Einstein Adventure
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World Champions! A Max Einstein Adventure
by James Patterson, Chris Grabenstein

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Title: Jacky Ha-Ha: My Life is a Joke (A Graphic Novel), Author: James Patterson
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Jacky Ha-Ha: My Life is a Joke…
by James Patterson, Chris Grabenstein, Adam Rau (Adapted by), Betty Tang (Illustrator)
#2 in Series
Paperback $10.99 $12.99 Current price is $10.99, Original price is $12.99.
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
Title: Jacky Ha-Ha Gets the Last Laugh, Author: James Patterson
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Jacky Ha-Ha Gets the Last…
by James Patterson, Chris Grabenstein, Kerascoët (Illustrator)
#3 in Series
Hardcover $16.99
Title: Jacky Ha-Ha (Italian Edition), Author: James Patterson
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Jacky Ha-Ha (Italian Edition)
by James Patterson, Chris Grabenstein
#1 in Series
eBook $10.99
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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: House of Robots (House of Robots Series #1), Author: James Patterson
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House of Robots (House of…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#1 in Series
Hardcover $14.99
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Home Sweet Motel
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Home Sweet Motel
by Chris Grabenstein
Narrated by  Bryan Kennedy
#1 in Series
Audiobook (Unabridged) $15.00
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Title: Genius Camp: The Smartest Kid in the Universe, Book 2, Author: Chris Grabenstein
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Genius Camp: The Smartest Kid…
by Chris Grabenstein
#2 in Series
Hardcover $14.49 $16.99 Current price is $14.49, Original price is $16.99.
Title: Fratello Robot. La guerra dei bulloni, Author: James Patterson
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Fratello Robot. La guerra dei…
by James Patterson, Chris Grabenstein, Valentina Daniele (Translator)
#3 in Series
eBook $10.99
Title: Fratello robot, Author: James Patterson
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Fratello robot
by James Patterson, Chris Grabenstein
#1 in Series
eBook $10.99
Title: Evil Genius: The Smartest Kid in the Universe, Book 3, Author: Chris Grabenstein
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Evil Genius: The Smartest Kid…
by Chris Grabenstein
#3 in Series
Hardcover $17.99
Title: Escape from Mr. Lemoncello's Library: The Graphic Novel, Author: Chris Grabenstein
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Escape from Mr. Lemoncello's…
by Chris Grabenstein, Douglas Holgate (Illustrator)
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Paperback $13.99
Title: Escape from Mr. Lemoncello's Library (Mr. Lemoncello Series #1), Author: Chris Grabenstein
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Escape from Mr. Lemoncello's…
by Chris Grabenstein
#1 in Series
Hardcover $18.99
Title: Dog Squad 2: Cat Crew, Author: Chris Grabenstein
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Dog Squad 2: Cat Crew
by Chris Grabenstein
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Hardcover $17.99
Title: Dog Squad, Author: Chris Grabenstein
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Dog Squad
by Chris Grabenstein
#1 in Series
Hardcover $13.49 $16.99 Current price is $13.49, Original price is $16.99.
Title: Danger Down the Nile (Barnes & Noble Edition) (Treasure Hunters Series #2), Author: James Patterson
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Danger Down the Nile (Barnes &…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#2 in Series
Hardcover $14.99
Title: Cuore di topo (Word of Mouse), Author: James Patterson
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Cuore di topo (Word of Mouse)
by James Patterson, Chris Grabenstein
eBook $10.99
Title: Best Nerds Forever, Author: James Patterson
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Best Nerds Forever
by James Patterson, Chris Grabenstein, Mark Sanderlin (Read by)
Audio CD $25.00
Title: Beach Party Surf Monkey (Welcome to Wonderland Series #2), Author: Chris Grabenstein
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Beach Party Surf Monkey…
by Chris Grabenstein
#2 in Series
Paperback $10.99
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Beach Battle Blowout
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Beach Battle Blowout
by Chris Grabenstein
Narrated by  Bryan Kennedy
#4 in Series
Audiobook (Unabridged) $15.00
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