The Penrose Mystery (A Dr Thorndyke Mystery)

Set in the realm of crime and mystery, this novel features Dr. Thorndyke, a pioneering medico-legal forensic investigator. As one of Richard Austin Freeman's notable works, it showcases his evolution from homage to Sir Arthur Conan Doyle to the creator of the 'inverted detective story.' In this unique narrative style, the criminal's identity is revealed at the outset, allowing readers to follow the detective's journey in unraveling the mystery. Originally published in 1936, it now includes a new introduction.