Can you find your way out of what James Patterson calls the coolest library in the world? Join gamer-fan Kyle Keeley as he competes in the escape game of a lifetime!

From the coauthor of I Funny and Max Einsteinand with 100+ weeks onthetheNew YorkTimesTimesbestseller listthe LEMONCELLO books are laugh-out-loud, puzzle-packed,MUST-READS for classrooms and homes across America.

When Kyle Keeley learns that theworld’sworldsmost famous game maker, Luigi Lemoncello, has designed the townsnew library and is having an invitation-only lock-in on opening night, Kyle isdetermined to be there! But the tricky part isntgettingintothe libraryitsgettingout.Because when morning comes, the doors stay locked. Kyle and the other kids must catch every clue and solve every puzzle to find the hidden escape route!

Enjoy bonus content in the backextra puzzles, an author Q&A, and more! And dont miss the puzzle-packed sequels:Mr. LemoncellosLibrary Olympics, Mr. Lemoncellos Great Library Race, Mr.Lemoncello’s All-Star Breakout Game,andMr. Lemoncello and the Titanium Ticket!

44 STATE AWARD LISTS AND COUNTING
100+ WEEKS ON THENEW YORK TIMESBESTSELLER LIST
* A worthy successor to the original madman puzzle-master himself, Willy Wonka.Booklist,starred review