Science Fiction Hall of Fame, - chosen by the Science Fiction Writers of America / edited by Robert Silverberg. Subtitled: "The Greatest Science Fiction Stories of All Time" - these are limited to 15,000 words or less (story or novelet.) Stories are from 1934 to1963. For longer pieces, the SFWA picked 23 novelets or novellas for 2 hardcover volumes (Volume IIA and Volume IIB.)

Contents:
Introduction by Robert Silverberg
"A Martian Odyssey" by Stanley G. Weinbaum
"Twilight" by John W. Campbell, Jr. (as Don A. Stuart)
"Helen O'Loy" by Lester del Rey
"The Roads Must Roll" by Robert A. Heinlein
"Microcosmic God" by Theodore Sturgeon
"Nightfall" by Isaac Asimov
"The Weapon Shop" by A. E. van Vogt
"Mimsy Were the Borogoves" by Henry Kuttner & C. L. Moore (as Lewis Padgett)
"Huddling Place" by Clifford D. Simak
"Arena" by Fredric Brown
"First Contact" by Murray Leinster
"That Only a Mother" by Judith Merril
"Scanners Live in Vain" by Cordwainer Smith
"Mars is Heaven!" by Ray Bradbury
"The Little Black Bag" by C. M. Kornbluth
"Born of Man and Woman" by Richard Matheson