This anthology brings together three short mysteries in the Captain Lacey series: The Necklace Affair (novella); and The Gentleman's Walking Stick and The Disappearance of Miss Sarah Oswald (short stories). In The Necklace Affair, Captain Lacey agrees to help a society matron discover what has become of her expensive diamond necklace and to clear her maid, who has been arrested for its theft. Lady Clifford declares that the rival for her...