THE PREQUEL TO THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! Discover the origins of what James Patterson calls “the coolest library in the world.” Follow along and solve the clues in this interactive adventure to reveal how Mr. Lemoncello became everyone’s favorite game maker! From the co-author of Murdle Jr.: Sleuths on the Loose… “An ‘awesometastic’ lead-in.”—Booklist, starred review Go back to the start and meet thirteen-year-old, puzzle-obsessed Luigi Lemoncello! Luigi has a knack for games and puzzles. But sometimes it feels like the cards are stacked against him. Until a carnival arrives in town and Luigi gets the chance of a lifetime—the opportunity to work for the world-famous Professor Marvelmous, a dazzling, banana-hat-wearing barker who puts the show in showman! When the carnival closes, Professor Marvelmous leaves behind a mysterious puzzle box along with a clue. A clue that will lead Luigi and his friends on a fantastical treasure hunt to a prize beyond anything they could imagine—if they can find it! Can Luigi crack the codes and unlock the box’s secrets? Will there be puzzles? Of course! Balloons? You bet! Will it be fun? Hello! It’s a Lemon-cello! BONUS! Can you solve the hidden puzzle inside?! The Lemoncello books are laugh-out-loud, puzzle-packed must-reads for classrooms and homes across America. Look for the whole series! Mr. Lemoncello’s Very First Game(the prequel) Escape from Mr. Lemoncello’s Library (also available as a graphic novel) Mr. Lemoncello’s Library Olympics(also coming soon as a graphic novel) Mr. Lemoncello’s Great Library Race Mr. Lemoncello’s All-Star Breakout Game Mr. Lemoncello and the Titanium Ticket Mr. Lemoncello’s Fantabulous Finale

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