WHERE ARE AMY AND DAN CAHILL? The two kids were last seen in Egypt, hunting for one of the 39 Clues that could make them the most powerful people on earth. But no one has seen the siblings since. Has the ruthless Irina Spasky finally tracked them down? Or worse . . . the Madrigals?No one knows where the Clue hunt leads next. But one thing is certain – Book 5 is gearing up to be Dan and Amy’s most dangerous adventure yet.
●來到俄國，才會真正知道那些特務、間諜、刺客有多厲害
●華麗的克里姆林宮、神秘的末代公主、消失的世紀瑰寶「琥珀廳」，還有一代文豪杜斯妥也夫斯基……哇！能夠來到夢寐以求的「歷史現場」俄國，艾咪興奮得心臟都快爆炸了，這次終於能好好印證那些書上告訴她的事了！
●來到俄國，才會真正知道那些特務、間諜、刺客有多厲害
●華麗的克里姆林宮、神秘的末代公主、消失的世紀瑰寶「琥珀廳」，還有一代文豪杜斯妥也夫斯基……哇！能夠來到夢寐以求的「歷史現場」俄國，艾咪興奮得心臟都快爆炸了，這次終於能好好印證那些書上告訴她的事了！