《侦探BOY杜奇系列:神秘马戏团》内容简介：大白猫坦坦“卧底”马戏团，意外发现惊人秘密！密室中的“木箱宝塔”之谜如何解开？潜藏在马戏团的魔术师究竟是谁？神秘的伤口是何物所致？不要着急。请跟随“探案小组”进入马戏团揭开秘密吧！( Brief introduction to Detective BOY Douch Series: Mysterious Circus: big white cat Tantan became “undercover” in circus, and he accidentally found astonishing secret. How to figure out conundrum of “wooden case pagoda” in backroom? Who is magician hiding in circus? What object incurred the mysterious wound? Don’t worry. Please follow “Miss Detective” and go to circus for reveal of conundrum! )