7 • Introduction (Best Science Fiction for 1972) • essay by Frederik Pohl
10 • Inconstant Moon • (1971) • novelette by Larry Niven
43 • The Sunset, 2217 A. D. • novelette  [as by Ryu Mitsuse]
65 • Mother in the Sky with Diamonds • (1971) • novelette by James Tiptree, Jr.
98 • Conversational Mode • (1972) • short story by Grahame Leman
113 • Sheltering Dream • (1972) • short story by Doris Piserchia
139 • At the Mouse Circus • (1971) • short story by Harlan Ellison
148 • Silent in Gehenna • (1971) • short story by Harlan Ellison
169 • Too Many People • (1971) • novelette by H. H. Hollis
201 • The Easy Way Out • (1971) • novelette by John Brunner (variant of Easy Way Out)
297 • The Gold at the Starbow's End • (1972) • novella by Frederik Pohl