内容简介  · · · · · ·

Tradition says that when you meet your double - your fetch - you are not long for this world. Many witnesses had seen the double of poor, harmless Faustina Crayle, the school-teacher. They were terrified. No school could afford to keep Faustina. Such is the strange case that Dr Basil Willing, psychiatrist and detective, undertakes to investigate.

作者简介  · · · · · ·

海伦·麦克洛伊（1904－1994）

美国推理作家协会（MWA）第一位女性主席。其小说独树一帜，以优美的文笔、透彻的心理分析见长，主要分成两大类别：一是古典解谜小说，一是心理惊悚小说。麦克洛伊曾获MWA最高荣誉“大师奖”，是继阿加莎·克里斯蒂之后，又一位名播四海的女性推理小说大师。除小说之外，她亦曾撰写大量的推理小说评论文章，并因此获颁推理文坛最具权威的“埃德加·爱伦·坡奖”。