John Dickson Carr

Castle Skull, first published in 1931, is a detective story by John Dickson Carr which features Carr's series detective Henri Bencolin. This novel is a mystery of the type known as a whodunnit.

Death Turns the Tables, first published in 1941, is a detective story by John Dickson Carr which features Carr's series detective Gideon Fell. This novel is a mystery of the type known as a whodunnit.