Contents (view Concise Listing)

• Introduction (A Science Fiction Omnibus) • essay by Brian W. Aldiss [as by Brian Aldiss]
• Sole Solution • (1956) • short story by Eric Frank Russell
• Lot • [David Jimmon] • (1953) • novelette by Ward Moore
• Skirmish • (1955) • short story by Clifford D. Simak [as by Clifford Simak]
• And I Awoke and Found Me Here on the Cold Hill's Side • (1972) • short story by James Tiptree, Jr.
• Poor Little Warrior! • (1959) • short story by Brian W. Aldiss [as by Brian Aldiss]
• Grandpa • [The Hub] • (1955) • novelette by James H. Schmitz
• Nightfall • (1941) • novelette by Isaac Asimov
• The Snowball Effect • (1952) • short story by Katherine MacLean
• Swarm • [Shaper/Mechanist] • (1982) • novelette by Bruce Sterling
• Blood Music • (1983) • novelette by Greg Bear
• Answer • (1954) • short story by Fredric Brown
• The Liberation of Earth • (1953) • short story by William Tenn
• An Alien Agony • (1962) • short story by Harry Harrison (variant of The Streets of Ashkelon)
• Track 12 • (1958) • short story by J. G. Ballard
• Sexual Dimorphism • [Mars (Kim Stanley Robinson)] • (1999) • short story by Kim Stanley Robinson
• The Tunnel Under the World • (1955) • novelette by Frederik Pohl
• Friends in Need • short fiction by Eliza Blair
• The Store of the Worlds • (1959) • short story by Robert Sheckley
• Jokester • [Multivac] • (1956) • short story by Isaac Asimov
• The Short-Short Story of Mankind • (1957) • short story by John Steinbeck (variant of We Are Holding Our Own 1955)
• Night Watch • (1965) • short story by James Inglis
• Story of Your Life • (1998) • novella by Ted Chiang
• Protected Species • (1951) • short story by H. B. Fyfe
• The Rescuer • (1962) • short story by Arthur Porges
• I Made You • (1954) • short story by Walter M. Miller, Jr.
• The Country of the Kind • (1956) • short story by Damon Knight
• The Cage • (1957) • short story by A. Bertram Chandler [as by Bertram Chandler]
• Fulfilment • (1964) • novelette by A. E. van Vogt (variant of Fulfillment 1951)
• Common Time • (1953) • short story by James Blish
• Alien Embassy • (2006) • short fiction by Garry Kilworth
• Great Work of Time • (1989) • novella by John Crowley