The Secret Adversary（秘密对手）

Hiring themselves out as “young adventurers willing to do anything” is a smart move for Tommy and Tuppence. All Tuppence has to do is take an all-expenses-paid trip to Paris and pose as someone named Jane Finn. But with the job comes a threat to her life, and the disappearance of her mysterious employer. Now Tuppence’s newest job is playing detective—because if there’s a Jane Finn that really exists, she’s got a secret that’s putting both their lives in danger.

阿加莎·克里斯蒂：被誉为举世公认的侦探推理小说女王。她的著作英文版销售量逾10亿册，而且还被译成百余种文字，销售量亦逾10亿册。她一生创作了80部侦探小说和短篇故事集，19部剧本，以及6部以玛丽·维斯特麦考特的笔名出版的小说。著作数量之丰仅次于莎士比亚。