A stranger enters the inner sanctum of the Ashby family posing as Patrick Ashby, the heir to the family’s sizeable fortune. The stranger, Brat Farrar, has been carefully coached on Patrick’s mannerisms, appearance and every significant detail of Patrick’s early life, up to his 13th year when he disappeared and was thought to have drowned himself.

Chief Inspector Macdonald has been invited to a treasure hunt party at the house of the Graham Coombe, the celebrated publisher of Murder by Mesmerism. The clues of the hunt have been devised by Coombe's thriller-writer friends, disguised on the night under literary pseudonyms. The fun comes to an abrupt end, however, when 'Samuel Pepys' is found murdered in the telephone room in bizarre circumstances.

An honest policeman, Sergeant Wigan, escorts a drunk man home one night to keep him out of trouble and, seeing his fine book collection, slowly falls into the gentle art of book collecting. Just as the friendship is blossoming, the policeman's book-collecting friend is murdered. To solve the mystery of why the victim was killed, and which of his rare books was taken, Wigan dives into the world of 'runners' and book collectors, where avid agents will gladly cut you for a first edition and then offer you a lift home afterwards.

Wealthy Sir Hubert Handesley's original and lively weekend house parties are deservedly famous. To amuse his guests, he has devised a new form of the fashionable Murder Game, in which a guest is secretly selected to commit a 'murder' in the dark, and everyone assembles to solve the crime. But when the lights go up this time, there is a real corpse....

A long line had formed for the standing-room-only section of the Woffington Theatre. London’s favorite musical comedy of the past two years was finishing its run at the end of the week. Suddenly, the line began to move, forming a wedge before the open doors as hopeful theatergoers nudged their way forward. But one man, his head sunk down upon his chest, slowly sank to his knees and then, still more slowly, keeled over on his face. Thinking he had fainted, a spectator moved to help, but recoiled in horror from what lay before him.