New York: Pocket Books Inc, 1963. 1st printing thus. , 171,  pp. 6-1/4" x 4-1/4". Color illustrated paper wrappers, artwork by Harry Bennett, with yellow title lettering printed to front wrapper and black title lettering printed to spine. Some signs of use. Spine sunned. A VG - VG+ copy. Item #35265
The first Parker novel, followed by 23 others over the years. Issued the year prior, as a PBO by Pocket Books.