10 YEARS IN THE MAKING. OVER 2 MILLION BOOKS SOLD. WELCOME! You are invited to the adventure of a lifetime-the fantabulous finale to the beloved, New York Times Bestselling Mr. Lemoncello´s Library series! Mr. Lemoncello´s ENTIRE game empire is up for grabs! It´s time for one last fantabulous challenge with Mr. Lemoncello-the world´s most famous gamemaker! This time everything is on the line—literally! Mr. Lemoncello has invited thirteen lucky 13 year-olds to compete in the final games. The winner will become the new owner of Mr. Lemoncello´s ENTIRE GAME EMPIRE!!! But uh-oh--someone is trying to destroy Mr. Lemoncello empire and all it stands for: imagination, games, books...knowledge! Can Kyle Keeley stop them and make his dreams come true? Get ready for a whirlwind adventure that takes us from the lions of the New York Public Library to the Choose Your Own Thrill-Venture Roller Coaster inside the brand-new Lemoncelloland amusement park, filled with codes and clues, adventure and mystery, and surprise cameos from across Chris Grabenstein´s many series. So sit back, relax and prepare to have your imagination take flight...you are on your way to Lemoncelloland!