全球最知名的謎題設計者遭到謀殺,接班人又被綁架,背後似乎正進行一場精心策畫的犯罪行動!偵探姊弟 Ava 和 Luke 再度出動,但這次光靠兩人還不夠,他們需要讀者一起加入調查。本書是暢銷作家 Janice Hallett 推出的首本解謎活動書,以兒童推理系列 A Box Full of Murders 的全新案件為背景,收錄超過 100 道謎題。讀者必須挑戰迷宮、填字遊戲、數獨、密碼破解與各式暗號,從已知事實與線索中逐步找出答案。閱讀不只是跟著偵探看故事,而是親自參與辦案、阻止犯罪計畫,推薦給喜歡 Murdle Jnr、Cluedle 的 8–12 歲小偵探。● 收錄 100+ 道謎題,包含迷宮、填字、數獨、密碼與暗號破解等多種題型● 以完整犯罪案件串起解謎過程,讀者必須運用線索協助 Ava 和 Luke 追查真相● 改編自 Janice Hallett 暢銷兒童推理系列 A Box Full of MurdersThe first puzzle book from number-one-bestselling author of The Appeal, Janice Hallett, featuring a new A Box Full of Murders mystery – solve the puzzles to crack the case!The first puzzle book from bestselling author Janice Hallett, featuring a new A Box Full of Murders mystery. Perfect for fans of Murdle Jnr and Cluedle.The world’s most famous puzzle setter has been MURDERED!Their successor has been KIDNAPPED.A CRIMINAL PLOT is underway.Super sleuth siblings Ava and Luke are on the case, but this time they need YOUR help. From mazes and crosswords to code cracking, sudokus and c