Sony offered this same book free a year ago.
Title:
American Quartet by Warren Adler.
Description: n this first book of the Fiona FitzGerald series, four seemingly unconnected D.C. murders stimulate Fiona's sense of history as she delves into our country's dark past. In her search to solve the crimes, she uncovers the disturbing sexual and homicidal obsessions of a socially prominent but failed Washington politician.