Blackmark is a Bantam Books paperback (Bantam S5871), publishe January 1971, that is one of the first American graphic novels, predating such seminal works as Richard Corben's Bloodstar (1975), Jim Steranko's Chandler: Red Tide (1976), Don McGregor & Paul Gulacy's Sabre (Sept. 1978), and Will Eisner's A Contract with God (Oct. 1978). It was conceived and drawn by the veteran comic book artist Gil Kane, and scripted by Archie Goodwin from an outline by Kane.