In Pursuit of the Proper Sinner : A Page-Turning Mystery Featuring Thomas Lynley, now appearing on BBC1 and iPlayer

The ninth novel in the bestselling series that inspired BBC's LynleyTwo bodies - the corpses of a young man and woman - are discovered in the middle of a prehistoric stone circle in Derbyshire.Each met death in a different fashion. Each died violently. Inspector Lynley is asked to lead the investigation into the deaths, where he soon learns that one of the victims is the daughter of his former mentor, a retired undercover police officer.Meanwhile, a disgraced Barbara Havers frantically tries to assist in identifying the other body. As these two strands of the investigation collide, Lynley and Havers must face the murderous reality of human relationships once again, and realise that the ties that bind can also kill. Praise for In Pursuit of the Proper Sinner'An excellent drama of life and death in an enclosed society'Mail on Sunday'Captivating'The Times'The best plotter in the mystery game'Time Out'A master of the English mystery'New York Times'The multi-faceted surprise ending to the taut, suspenseful plot is the juiciest plum in this can't-put-down novel'Publishers Weekly