Contents: • The Dim Rumble, short story by Isaac Asimov • With Thimbles, with Forks, and Hope, novella by Kate Wilhelm • The Several Murders of Roger Ackroyd, short story by Barry N. Malzberg • Quarantine, short story by Arthur C. Clarke • Cautionary Tales, short story by Larry Niven • The Missing Item, short story by Isaac Asimov • The Small Stones of Tu Fu, short story by Brian W. Aldiss • Farside Station, novella by Jack Williamson • The Suicide of Man, novelette by John Brunner • Hellhole, short story by David Gerrold • The Last Defender of Camelot, novelette by Roger Zelazny • Captive of the Centaurianess, novelette by Poul Anderson • How It Happened, short story by Isaac Asimov • Longshot, short story by Jack C. Haldeman, II