Impossible crime stories have delighted readers since the invention of detective fiction as puzzle-lovers sought more cerebral entertainment. Following on from Miraculous Mysteries, CWA Diamond Dagger Award-winning crime writer Martin Edwards brings together a whole new casebook of mystifying locked room mysteries and impossible crimes. Featuring more great stories by John Dickson Carr, Julian Symons and Margery Allingham alongside newly rediscovered writers, this selection of stories will bring you more insight into one of the most celebrated and dazzling sub-genres of detective fiction.

Martin Edwards is series consultant for British Library Crime Classics. He is a CWA Diamond Dagger Award-winning crime writer and president of the Detection Club. He has researched and explored the history of the crime and mystery genre in titles such as The Golden Age of Murder, The Story of Classic Crime in 100 Books published by the British Library and The Life of Crime.