Contents (view Concise Listing)

• 7 • Introduction (The 1972 Annual World's Best SF) • (1972) • essay by Donald A. Wollheim
• 13 • The Fourth Profession • (1971) • novelette by Larry Niven
• 60 • Gleepsite • (1971) • short story by Joanna Russ
• 66 • The Bear with the Knot on His Tail • [Stardust (Stephen Tall)] • (1971) • novelette by Stephen Tall
• 104 • The Sharks of Pentreath • (1971) • short story by Michael G. Coney
• 120 • A Little Knowledge • [Technic History] • (1971) • novelette by Poul Anderson
• 142 • Real-Time World • (1971) • novelette by Christopher Priest
• 171 • All Pieces of a River Shore • (1970) • short story by R. A. Lafferty
• 187 • With Friends Like These ... • (1971) • novelette by Alan Dean Foster
• 207 • Aunt Jennie's Tonic • (1971) • short story by Leonard Tushnet
• 226 • Timestorm • (1971) • short story by Eddy C. Bertin (trans. of Tijdstorm)
• 246 • Transit of Earth • (1971) • short story by Arthur C. Clarke
• 260 • Gehenna • (1971) • short story by Barry N. Malzberg [as by K. M. O'Donnell]
• 266 • One Life, Furnished in Early Poverty • (1970) • short story by Harlan Ellison
• 281 • Occam's Scalpel • (1971) • novelette by Theodore Sturgeon