New York, Walker, 1972. First US edition. Pen name of John Creasey, who wrote six hundred novels under no fewer than twenty-eight pseudonyms. Ex-jewel thief John Mannering, known as the Baron, was enjoying a quiet day working at his antiques house, when the Black Knight, vowing revenge on the Baron and on Bristow of the Yard, launches a fiendish plot that finds Mannering the chief suspect in a gruesome murder/robbery. Glue stains and card removal residue to front endpaper, light staining to boards. Dust jacket shows typical blue stripes bleeding through from Brodart jacket. Binding just a touch loose. $10.00.