Introduction: Masters of Science Fiction - essay by Isaac Asimov Good-Bye, Robinson Crusoe - novelette by John Varley Quarantine - short story by Arthur C. Clarke Cautionary Tales - short story by Larry Niven The Case of the Defective Doyles - short story by Martin Gardner African Blues - short story by Paula Smith The Missing Item - short story by Isaac Asimov The Black Widowers - poem by D. R. Bensen [as by Don R. Bensen] Perchance to Dream - short story by Sally A. Sellers They'll Do It Every Time - short story by Cam Thornley Will Academe Kill Science Fiction? - essay by Jack Williamson Heal the Sick, Raise the Dead - short story by Steve Perry [as by Jesse Peel] Home Team Advantage - short story by Jack C. Haldeman, II To Sin Against Systems - novelette by Garry R. Osgood Sure Thing - short story by Isaac Asimov Wolf Tracks - poem by Donald Gaither The Astronomical Hazards of the Tobacco Habit - short story by Dean McLaughlin Air Raid - short story by John Varley [as by Herb Boehm] Boarder Incident - short story by Ted Reynolds A Delicate Shade of Kipney - short story by Nancy Kress Through Time and Space with Ferdinand Feghoot - Twice! - short story by Reginald Bretnor [as by Grendel Briarton] The Small Stones of Tu Fu - short story by Brian W. Aldiss Polly Plus - short story by Randall Garrett The Several Murders of Roger Ackroyd - short story by Barry N. Malzberg [as by Barry Malzberg] On the Martian Problem - short story by Randall Garrett A Choice of Weapons - short story by Michael Tennenbaum Low Grade Ore - novelette by Kevin O'Donnell, Jr. Dance Band on the Titanic - novelette by Jack L. Chalker [as by Jack Chalker]