G. K. Chesterton 
The Secret of Father Brown 
The fourth Collection of Father Brown stories

Father Brown, an unassuming and shabbily dressed priest, possesses an incredible ability to solve crimes and murders. Here he reveals the secret of his success. He discovers the culprit by imagining himself to be inside the mind of the criminal. This fourth collection of Father Brown stories contains the magnificent ‘The Chief Mourner of Marne’- a fascinating story with unexpected twists – about a duel and a case of mistaken identity.