New York, Walker, 1971. First US edition. Writing as Anthony Morton. A later adventure of John Mannering, reformed 'Robin Hood' jewel thief, now proprietor of Quinn's antiquery, delves into a mysterious case involving a frantic call for help punctuated by raucous laughter. Light blue boards slightly faded, tape marks to boards, apparent glue residue to rear endpaper. DJ shows blue stripes typical for books with Brodart covers. $15.00.