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.
