Contents (view Concise Listing)

• ix • Introduction (Yesterday's Tomorrows) • (1982) • essay by Frederik Pohl
• 1 • The Fanzines: 1933-1939 • (1982) • essay by Frederik Pohl
• 5 • The Pulps: 1939-1943 • (1982) • essay by Frederik Pohl
• 9 • Into the Darkness • [Darkness (Rocklynne)] • (1940) • novelette by Ross Rocklynne
• 32 • Emergency Refueling • (1940) • short story by James Blish
• 37 • The Halfling • [Earth (Brackett)] • (1943) • novelette by Leigh Brackett
• 58 • Let There Be Light • [Future History] • (1940) • short story by Robert A. Heinlein
• 72 • Strange Playfellow • [The Positronic Robot Stories] • (1940) • short story by Isaac Asimov
• 86 • Interstellar Way-Station • (1941) • short story by Wilson Tucker [as by Wilson Bob Tucker]
• 97 • The Anthologies • (1982) • essay by Frederik Pohl
• 103 • The Report on the Barnhouse Effect • (1950) • short story by Kurt Vonnegut, Jr.
• 114 • Eco-Catastrophe! • (1969) • short story by Paul R. Ehrlich
• 125 • The Nine Billion Names of God • (1953) • short story by Arthur C. Clarke
• 132 • The Man with English • (1953) • short story by H. L. Gold [as by Horace L. Gold]
• 140 • Space-Time for Springers • [Gummitch the Cat] • (1958) • short story by Fritz Leiber
• 150 • The Monster • (1951) • short story by Lester del Rey
• 161 • The Rull • [Rull] • (1948) • novelette by A. E. van Vogt
• 186 • The Embassy • (1942) • short story by Donald A. Wollheim [as by Martin Pearson]
• 193 • Guinevere for Everybody • (1955) • short story by Jack Williamson
• 209 • The Galaxy and If Years: 1960-1969 • (1982) • essay by Frederik Pohl
• 216 • The Pain Peddlers • (1963) • short story by Robert Silverberg
• 225 • Oh, to Be a Blobel! • (1964) • novelette by Philip K. Dick
• 241 • The Ballad of Lost C'mell • [The Instrumentality of Mankind] • (1962) • novelette by Cordwainer Smith
• 258 • A Gentle Dying • (1961) • short story by C. M. Kornbluth and Frederik Pohl
• 265 • Slow Tuesday Night • (1965) • short story by R. A. Lafferty
• 272 • Street of Dreams, Feet of Clay • (1967) • short story by Robert Sheckley
• 286 • The Coldest Place • [Known Space] • (1964) • short story by Larry Niven
• 291 • The Great Slow Kings • (1963) • short story by Roger Zelazny
• 298 • The Life Hater • [Berserker (Fred Saberhagen)] • (1964) • short story by Fred Saberhagen
• 306 • Old Testament • (1964) • short story by Jerome Bixby
• 314 • The Moon Moth • (1961) • novelette by Jack Vance
• 344 • The Last Flight of Dr. Ain • (1969) • short story by James Tiptree, Jr.
• 351 • Among the Bad Baboons • (1968) • novelette by Mack Reynolds
• 381 • Sweet Dreams, Melissa • (1968) • short story by Stephen Goldin
• 386 • A Bad Day for Vermin • (1964) • short story by Keith Laumer
• 393 • The Paperbacks: 1971-1978 • (1982) • essay by Frederik Pohl
• 400 • At the Mouse Circus • (1971) • short story by Harlan Ellison
• 407 • Excerpt from Dragon Lensman • (1980) • short fiction by David A. Kyle
• 411 • Excerpt from Dhalgren • (1974) • short fiction by Samuel R. Delany
• 425 • Excerpt from The Short-Timers • [Short-Timers] • (1979) • short fiction by Gustav Hasford
• 431 • Afterword (Yesterday's Tomorrows) • (1982) • essay by Frederik Pohl