NIGHTMARE BLUE. [New York]: A Berkley Medallion Book published by Berkley Publishing Corporation, . Small octavo, pictorial wrappers. First edition. Berkley Books N2819. Dozois' first novel and Effinger's fourth, an action-packed hard-boiled SF detective novel. Karl Jaeger, the last private detective on a peaceful Earth of the future, teams up with Corcail Sendijen, a lobster-like alien, to thwart the plans of the Aensalords, a supposedly benign alien race now living on Earth, who have secretly developed a highly addictive drug which they intend to use to addict and enslave all the inhabitants of the known universe. A fine copy. (#133025).
"Berkley Medallion Edition, OCTOBER, 1975" on copyright page.