解謎的時間又到了！
Mr. Lemoncello《列蒙切洛圖書館》系列第五集
 
　　★ Mr. Lemoncello系列第一集曾雄踞紐約時報暢銷排行榜27週，並於2017年改編成同名電影
　　★ 全球銷售已突破100萬冊
　　★ 榮獲《艾葛莎獎》兒童青少年神秘小說獎、《安東尼獎》兒童青少年小說獎
 
　　人見人愛的遊戲大師列蒙切洛（Mr. Lemoncello）再度現身！離開魔法圖書館的他，這次打造出一個新的基地——充滿秘密的基地！如果想要深入這棟建築的核心，你必須通過重重考驗，拿到入場的唯一門票：Titanium Ticket！　
 
　　四個幸運的孩子將可參加這場史上最壯觀的尋寶遊戲，他們將面對摩天大樓一般高的疊疊樂遊戲、令人眼花撩亂的梯盤棋，每場比賽都將讓他們越來越接近最後的獎品。但其實還有一個真正的秘密！列蒙切洛大師正在考慮尋找接班人，而得到Titanium Ticket的贏家，將在下一本書中參加競賽，贏得列蒙切洛先生的遊戲帝國！　
　　Can you find your way out of what James Patterson calls the "coolest library in the world"? For the first time, you are invited INSIDE Mr. Lemoncello's one-of-a-kind Gameworks Factory!

　　From the coauthor of I Funny and Max Einstein--and with 100+ weeks on the New York Times bestseller list--the LEMONCELLO books are laugh-out-loud, puzzle-packed MUST-READS for homes and classrooms across America.
　
　　Far away from his magical library, everyone's favorite game maker, Luigi Lemoncello, is building something new. Something 　　　SECRET. And he's about to let the world see it. Four lucky kids will win the chance to go inside the new Lemoncello-tastic 　　　building on a scavenger hunt that will take them through live-action challenges--skyscraper-size Jenga, dizzying real-life Chutes and Ladders, death-defying games of Rush Hour, and more! Each game will get the players closer to the titanium ticket. And only then will the real secret be revealed. . . .

　　Don't miss the bonus puzzle in the back! Look for the rest of the puzzle-packed series--Escape from Mr. Lemoncello's Library, Mr. Lemoncello's Library Olympics, Mr. Lemoncello's Great Library Race, and Mr. Lemoncello's All-Star Breakout Game!

　　PRAISE FOR THE SERIES:
　　44 STATE AWARD LISTS AND COUNTING
　　100+ WEEKS ON THE NEW YORK TIMES BESTSELLER LIST
　　* "A worthy successor to the original madman puzzle-master himself, Willy Wonka." --Booklist, starred review