類型：Thriller (恐怖小說)
語別：美式英語
曼哈頓某個下雪天，私家偵探奈特接到一通客戶來電，有個家庭糾紛的案件需要他的協助，看似簡單不過的案件就在出了人命之後，一切都變得詭譎離奇，尤其是他的客戶說了那句：「蛇和毒品一點都不對等。」這句話到底是什麼意思？而這家人又藏著什麼秘密？
In snowy Manhattan a client asks private investigator Nat Marley to help with a family problem. But after someone dies, things turn serious and Marley has an unusual case on his hands. As his client says, 'Snakes and drugs don't go together.'
Award-winning original fiction for learners of English. At seven levels, from Starter to Advanced, this impressive selection of carefully graded readers offers exciting reading for every student's capabilities.