Charlie and the Chocolate Factory meetsA Night in the Museumin this action-packed New York Times Bestseller from Chris Grabenstein, coauthor of I Funny, Treasure Hunters and other bestselling series with James Patterson!

Kyle Keeley is the class clown and a huge fan of all games—board games, word games, and particularly video games. His hero, Luigi Lemoncello, the most notorious and creative gamemaker in the world, just so happens to be the genius behind the construction of the new town library. Lucky Kyle wins a coveted spot as one of twelve kids invited for an overnight sleepover in the library, hosted by Mr. Lemoncello and riddled with lots and lots of games. But when morning comes, the doors stay locked. Kyle and the other kids must solve every clue and figure out every secret puzzle to find the hidden escape route!

Don't miss bonus content in the back of the book—extra puzzles, an author Q&A, and more! And look for the next puzzle-packed adventure—Mr. Lemoncello's Library Olympics—in January 2016!

"Discover the coolest library in the world." —James Patterson, #1 New York Times bestselling author

34 STATE AWARDS AND COUNTING -- INCLUDING THE SUNSHINE STATE AWAR...