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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

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
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)
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: The Greatest Treasure Hunt
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Treasure Hunters: The Greatest Treasure Hunt
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
Katt Loves Dogg
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Katt Loves Dogg
by James Patterson, Chris Grabenstein, Anuki López (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
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)
NO Is All I Know!
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NO Is All I Know!
by Chris Grabenstein, Leo Espinosa (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)
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)
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)
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
Robot Revolution (House of Robots Series #3)
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Robot Revolution (House of Robots Series #3)
by James Patterson, Chris Grabenstein (With), Juliana Neufeld (Illustrator)
Max Einstein Saves the Future (Max Einstein Series #3)
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Max Einstein Saves the Future (Max Einstein Series #3)
by James Patterson, Chris Grabenstein, Beverly Johnson (Illustrator)

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Title: All American Adventure (Treasure Hunters Series #6), Author: James Patterson
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All American Adventure…
by James Patterson, Chris Grabenstein, Juliana Neufeld (Illustrator)
#6 in Series
Hardcover $14.99
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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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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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Best Nerds Forever
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Best Nerds Forever
by James Patterson, Chris Grabenstein
Narrated by  Mark Sanderlin
Audiobook (Unabridged) $18.99
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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: 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: Dog Squad 2: Cat Crew, Author: Chris Grabenstein
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Dog Squad 2: Cat Crew
by Chris Grabenstein
Explore Series
Hardcover $17.99
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: 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)
Explore Series
Paperback $13.99
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: 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.
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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: 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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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: 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: 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: 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: Katt Loves Dogg, Author: James Patterson
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Katt Loves Dogg
by James Patterson, Chris Grabenstein, Anuki López (Illustrator)
#2 in Series
Hardcover $12.49 $14.99 Current price is $12.49, Original price is $14.99.
Title: Katt vs. Dogg, Author: James Patterson
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Katt vs. Dogg
by James Patterson, Chris Grabenstein, Anuki López (Illustrator)
Hardcover $12.49 $13.99 Current price is $12.49, Original price is $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

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