1 • A Sort of Introduction (Best Stories from Orbit, Volumes 1-10) • (1975) • essay by Damon Knight
4 • The Secret Place • (1966) • short story by Richard McKenna
19 • The Loolies Are Here • (1966) • short story by Ruth Allison and Jane Rice [as by Allison Rice]
27 • The Doctor • (1967) • short story by Theodore L. Thomas [as by Ted Thomas]
35 • Baby, You Were Great! • (1967) • short story by Kate Wilhelm
50 • The Hole on the Corner • (1967) • short story by R. A. Lafferty
62 • I Gave Her Sack and Sherry • [Alyx] • (1967) • novelette by Joanna Russ
78 • Mother to the World • (1968) • novelette by Richard Wilson
113 • Don't Wash the Carats • (1968) • short story by Philip José Farmer
119 • The Planners • (1968) • short story by Kate Wilhelm
135 • The Changeling • (1968) • short story by Gene Wolfe
148 • Passengers • (1968) • short story by Robert Silverberg
161 • Shattered Like a Glass Goblin • (1968) • short story by Harlan Ellison
171 • The Time Machine • (1969) • novelette by Langdon Jones
193 • Look, You Think You've Got Troubles • (1969) • short story by Carol Carr
204 • The Big Flash • (1969) • novelette by Norman Spinrad
225 • Jim and Mary G • (1970) • short story by James Sallis
232 • The End • (1970) • short story by Ursula K. Le Guin (variant of Things)
242 • Continued on Next Rock • (1970) • novelette by R. A. Lafferty
264 • The Island of Doctor Death and Other Stories • [Archipelago] • (1970) • short story by Gene Wolfe
282 • Horse of Air • (1970) • short story by Gardner Dozois [as by Gardner R. Dozois]
298 • One Life, Furnished in Early Poverty • (1970) • short story by Harlan Ellison
313 • Rite of Spring • (1970) • short story by Avram Davidson
321 • The Bystander • (1970) • short story by Thom Lee Wharton
340 • The Encounter • (1970) • novelette by Kate Wilhelm
362 • Gleepsite • (1971) • short story by Joanna Russ
368 • Binaries • (1971) • short story by James Sallis
380 • Al • (1972) • short story by Carol Emshwiller
394 • Live, from Berchtesgaden • (1972) • short story by George Alec Effinger