●內文簡介
透過39條線索，艾咪和丹 卡希爾發現歷史上的大謎團、她們家族死亡的秘密。但她們真的準備好要面對卡希爾和強大的力量嗎?旋風比賽後它帶它們跨越了五大州，艾咪和丹必須面對連卡希爾家族都不敢面對的挑戰。當面對選擇時，將會改變世界的未來，兩個小孩能扭轉500年前的命運嗎?
●Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world, can two kids succeed where 500 years worth of famous ancestors failed?
透過39條線索，艾咪和丹 卡希爾發現歷史上的大謎團、她們家族死亡的秘密。但她們真的準備好要面對卡希爾和強大的力量嗎?旋風比賽後它帶它們跨越了五大州，艾咪和丹必須面對連卡希爾家族都不敢面對的挑戰。當面對選擇時，將會改變世界的未來，兩個小孩能扭轉500年前的命運嗎?
●Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world, can two kids succeed where 500 years worth of famous ancestors failed?