The Waxworks Murder, first published in 1932, is a detective story by John Dickson Carr

John Dickson Carr

John Dickson Carr was an American author of detective stories, who also published under the pen names Carter Dickson, Carr Dickson and Roger Fairbairn....

 featuring his series detective Henri Bencolin

Henri Bencolin

Henri Bencolin is a fictional detective created by John Dickson Carr. He is Carr's first series detective, appearing in five "locked-room" and "impossible crime" mystery novels of the 1930s, and four short stories from an even earlier date...

 of the Parisian police. This novel

Novel

A novel is a book of long narrative in literary prose. The genre has historical roots both in the fields of the medieval and early modern romance and in the tradition of the novella. The latter supplied the present generic term in the late 18th century....

 is a mystery of the type known as a whodunnit.

Plot summary

The body of a young woman, who has been stabbed in the back, is found floating in the Seine River. The body of another young woman, with a knife in her back, is found in the arms of a wax figure, the "Satyr of the Seine", in a local wax museum. All available clues lead directly to the infamous "Club of the Silver Key", where aristocratic masked club members mix and mingle in the darkened rooms in search of adulterous entertainment. Henri Bencolin and his friend Jeff Marle must penetrate the club and make sense of the few clues before Bencolin arrives at the solution and makes a very surprising wager with the murderer.