“edge wear to jacket and boards, some small edge tears in jacket; Contains; "Introduction" (Donald A. Wollheim); * "Appearance of Life" (Brian W. Aldiss); * "Overdrawn at the Memory Bank" (John Varley);* "Those Good Old Days of Liquid Fuel" (Michael G. Coney); * "The Hertford Manuscript" (Richard Cowper); * "Natural Advantage" (Lester del Rey); * "The Bicentennial Man" (Isaac Asimov); * "The Cabinet of Oliver Naylor" (Barrington J. Bayley); * "My Boat" (Joanna Russ); * "Houston, Houston, Do You Read?" (James Tiptree, Jr.); * "I See You" (Damon Knight)”