Ballantine, 1975. Mass market paperback, first of two printings. Best short fiction by one of science fiction's Grand Masters. Includes essays by Pohl and Lester del Rey, plus the following stories: The Day the Icicle Works Closed (1960); Day Million (1966); The Midas Plague (1954); The Tunnel Under the World (1955); Grandy Devil (1955); The Hated (1958); We Never Mention Aunt Nora (1958); The Martian in the Attic (1960); The Census Takers (1956); The Children of Night (1964); The Day After the Day the Martians Came (1967); Father of the Stars (1964); Happy Birthday, Dear Jesus (1956); Punch (1961); The Richest Man in Levittown (1959); The Snowmen (1959); Speed Trap (1967); Three Portraits and a Prayer (1962); How to Count on Your Fingers (1956) (essay) by Frederik Pohl.