There are 6 books in the Margaret Campbell and Li Yan series.
The Margaret Campbell and Li Yan series does not have a new book coming out soon. The latest book, Chinese Whispers (Book 6), was published in October 2009.
The first book in the Margaret Campbell and Li Yan series, The Firemaker, was published in September 2005.
The Margaret Campbell and Li Yan series primarily falls into the Law Enforcement genre.