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.

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The Ultimate Quest (Treasure Hunters Series #8)
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The Ultimate Quest (Treasure Hunters Series #8)
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The Plunder Down Under (Treasure Hunters Series #7)
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The Plunder Down Under (Treasure Hunters Series #7)
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Shine!
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Shine!
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All American Adventure (Treasure Hunters Series #6)
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All American Adventure (Treasure Hunters Series #6)
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Danger Down the Nile (Treasure Hunters Series #2)
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Danger Down the Nile (Treasure Hunters Series #2)
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Treasure Hunters (Treasure Hunters Series #1)
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Treasure Hunters (Treasure Hunters Series #1)
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The Nerdiest, Wimpiest, Dorkiest I Funny Ever: A Middle School Story (I Funny Series #6)
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The Nerdiest, Wimpiest, Dorkiest I Funny Ever: A Middle School Story (I Funny Series #6)
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My Life Is a Joke (Jacky Ha-Ha Series #2)
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My Life Is a Joke (Jacky Ha-Ha Series #2)
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I Funny: School of Laughs (I Funny Series #5)
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I Funny: School of Laughs (I Funny Series #5)
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Robot Revolution (House of Robots Series #3)
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Robot Revolution (House of Robots Series #3)
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