Discover published sets by community

An anthology of stories where famous detectives and characters, such as Patrick Kenzie, Harry Bosch, and others, team up or face off against each other.

An anime series where two of Agatha Christie's most famous detectives, Hercule Poirot and Miss Marple, work together to solve mysteries.

A collection of short stories inspired by Sherlock Holmes, with contributors being famous authors from various genres, and sometimes featuring interactions with other detectives.

A collection of stories inspired by the Sherlock Holmes canon, featuring new tales about the great detective, sometimes crossing paths with other literary figures.

A story that brings together Jeffery Deaver's Lincoln Rhyme and Kathryn Dance, where they work alongside to untangle a complex case with implications that stretch internationally.

Part of the Martin Beck series, this story features a collaboration between Stockholm homicide detectives and one detective from Scotland Yard.

A contemporary Hercule Poirot novel by Sophie Hannah, which includes the famous Belgian detective alongside Scotland Yard's Edward Catchpool.

Jonathan Kellerman's novel featuring the collaboration of his psychologist sleuth, Alex Delaware, with newcomer Detective Clay Edison.

A novel where Agatha Christie's married detectives Tommy and Tuppence Beresford encounter a mystery that points to a possible serial killer, which connects with a Christie's universe detective.

A manga series where the reincarnation of Sherlock Holmes as a dog teams up with a teenage boy, the descendant of Dr. John Watson, to solve crimes.

A mystery novel where detectives from different series by author James McCreet, Detective Inspector George Williamson and the character Montmorency from Eleanor Updale's books, indirectly crossover through a shared case.