Witch of the Low Tide

A man fears his beloved is not who she claims to be in this sophisticated puzzler by John Dickson Carr, a master of the British-style detective novel

David Garth has just stepped off the train at Charing Cross when he is summoned to Scotland Yard to answer questions about a person believed to be living a double life.
A neurologist, Garth is an expert on the brain, but in matters of the heart he is c...