The Fourth Sacrifice: The China Thrillers, Book 2 (Unabridged‪)‬

Three corpses: drugged, labeled and brutally beheaded; a trail that Detective Li Yan has to follow. He and forensic pathologist Margaret Campbell have been trying to deny the attraction that nearly destroyed both their careers. But when a fourth victim is found, they have no choice but to work together to track down the truth and to hunt down a ruthless killer. 

The Fourth Sacrifice is the second in the acclaimed China series from Peter May, author of Runaway, Entry Island and the internationally best-selling Lewis Trilogy.