- 1 – Little Fuzzy by H. Beam Piper
- 2 – The Edge of the Knife by H. Beam Piper
- 3 – Omnilingual by H. Beam Piper
- 4 – Four-Day Planet by H. Beam Piper
- 5 – Uller Uprising by H. Beam Piper
- 6 – Naudsonce by H. Beam Piper
- 7 – Oomphel in the Sky by H. Beam Piper
- 8 – Graveyard of Dreams by H. Beam Piper
- 9 – The Cosmic Computer by H. Beam Piper
- 10 – Space Viking by H. Beam Piper
- 11 – A Slave is a Slave by H. Beam Piper
- 12 – Ministry of Disturbance by H. Beam Piper
- 13 – The Keeper by H. Beam Piper
- 14 – Genesis by H. Beam Piper
- 15 – He Walked Around the Horses by H. Beam Piper
- 16 – Last Enemy by H. Beam Piper
- 17 – Police Operation by H. Beam Piper
- 18 – Temple Trouble by H. Beam Piper
- 19 – Time Crime by H. Beam Piper
- 20 – Lone Star Planet by John Joseph McGuire and H. Beam Piper
- 21 – Null-ABC by John Joseph McGuire and H. Beam Piper
- 22 – Flatland: A Romance of Many Dimensions by Edwin Abbott Abbott
- 23 – A Trace of Memory by Keith Laumer
- 24 – The Forgotten Planet by Murray Leinster
- 25 – The Mad Planet by Murray Leinster
- 26 – This World Is Taboo by Murray Leinster
- 27 – The Wailing Asteroid by Murray Leinster
- 28 – Sand Doom by Murray Leinster
- 29 – A Thousand Degrees Below Zero by Murray Leinster
- 30 – Third Planet by Murray Leinster
- 31 – Talents, Incorporated by Murray Leinster
- 32 – Space Tug by Murray Leinster
- 33 – Space Platform by Murray Leinster
- 34 – The Silver Menace by Murray Leinster
- 35 – The Sentimentalists by Murray Leinster
- 36 – Scrimshaw by Murray Leinster
- 37 – The Runaway Skyscraper by Murray Leinster
- 38 – The Red Dust by Murray Leinster
- 39 – Planet of Dread by Murray Leinster
- 40 – The Pirates of Ersatz by Murray Leinster
- 41 – Pariah Planet by Murray Leinster
- 42 – Operation Terror by Murray Leinster
- 43 – Operation: Outer Space by Murray Leinster
- 44 – Nightmare Planet by Murray Leinster
- 45 – The Machine That Saved The World by Murray Leinster
- 46 – The Leader by Murray Leinster
- 47 – If You Was a Moklin by Murray Leinster
- 48 – Doctor by Murray Leinster
- 54 – Beyond Lies the Wub by Philip K. Dick
- 55 – Beyond the Door by Philip K. Dick
- 56 – The Crystal Crypt by Philip K. Dick
- 57 – The Defenders by Philip K. Dick
- 58 – The Eyes Have It by Philip K. Dick
- 59 –The Gun by Philip K. Dick
- 60 – Mr. Spaceship by Philip K. Dick
- 61 – Piper in the Woods by Philip K. Dick
- 62 – Second Variety by Philip K. Dick
- 63 – The Skull by Philip K. Dick
- 64 – Tony and the Beetles by Philip K. Dick
- 65 – The Variable Man by Philip K. Dick
- 66 – Deathworld by Harry Harrison
- 67 – The Misplaced Battleship by Harry Harrison
- 68 – Planet of the Damned by Harry Harrison
- 69 – Arm of the Law by Harry Harrison
- 70 – The K-Factor by Harry Harrison
- 71 – Navy Day by Harry Harrison
- 72 – The Repairman by Harry Harrison
- 73 – Toy Shop by Harry Harrison
- 74 – The Velvet Glove by Harry Harrison
- 80 – Gone Fishing by James H. Schmitz
- 81 – Ham Sandwich by James H. Schmitz
- 82 – An Incident on Route 12 by James H. Schmitz
- 83 – Legacy by James H. Schmitz
- 84 – Lion Loose by James H. Schmitz
- 85 – Novice by James H. Schmitz
- 86 – Oneness by James H. Schmitz
- 87 – The Other Likeness by James H. Schmitz
- 88 – The Star Hyacinths by James H. Schmitz
- 89 – Watch the Sky by James H. Schmitz
- 90 – The Winds of Time by James H. Schmitz
- 91 – All Cats Are Gray by Andre Norton
- 92 – The Gifts of Asti by Andre Norton
- 93 – Plague Ship by Andre Norton
- 94 – Star Born by Andre Norton
- 95 – Star Hunter by Andre Norton
- 96 – Storm Over Warlock by Andre Norton
- 97 – Voodoo Planet by Andre Norton
- 100 – The Colors of Space by Marion Zimmer Bradley
- 101 – The Door Through Space by Marion Zimmer Bradley
- 102 – Falcons of Narabedla by Marion Zimmer Bradley
- 103 – The Planet Savers by Marion Zimmer Bradley
- 104 – Year of the Big Thaw by Marion Zimmer Bradley
- 105 – The Barbarians by Algis Budrys
- 106 – Citadel by Algis Budrys
- 107 – Desire No More by Algis Budrys
- 108 – The Rag and Bone Men by Algis Budrys
- 109 – Riya’s Foundling by Algis Budrys
- 110 – The Stoker and the Stars by Algis Budrys
- 111 – Wall of Crystal, Eye of Night by Algis Budrys
- 112 – A Princess of Mars by Edgar Rice Burroughs
- 113 – The Gods of Mars by Edgar Rice Burroughs
- 114 – Warlord of Mars by Edgar Rice Burroughs
- 115 – Thuvia, Maid of Mars by Edgar Rice Burroughs
- 116 – The Chessmen of Mars by Edgar Rice Burroughs
- 117 – Pellucidar by Edgar Rice Burroughs
- 118 – At the Earth’s Core by Edgar Rice Burroughs
- 119 – The Land That Time Forgot by Edgar Rice Burroughs
- 120 – The People That Time Forgot by Edgar Rice Burroughs
- 121 – Out of Time’s Abyss by Edgar Rice Burroughs
- 126 – Missing Link by Frank Herbert
- 127 – Old Rambling House by Frank Herbert
- 128 – Operation Haystack by Frank Herbert
- 129 – The Memory of Mars by Raymond F. Jones
- 130 – A Stone and a Spear by Raymond F. Jones
- 131 – The Alien by Raymond F. Jones
- 132 – Cubs of the Wolf by Raymond F. Jones
- 133 – The Great Gray Plague by Raymond F. Jones
- 134 – The Adventurer by C. M. Kornbluth
- 135 – The Altar at Midnight by C. M. Kornbluth
- 136 – The Marching Morons by C. M. Kornbluth
- 137 – Search the Sky by C. M. Kornbluth and Frederik Pohl
- 138 – With These Hands by C. M. Kornbluth
- 139 – A Columbus of Space by Garrett Putman Serviss
- 140- Curiosities of the Sky by Garrett Putman Serviss
- 141 – Edison’s Conquest of Mars by Garrett Putman Serviss
- 142 – Birds of a Feather by Robert Silverberg
- 143 – The Happy Unfortunate by Robert Silverberg
- 144 – The Hunted Heroes by Robert Silverberg
- 145 – Master of Life and Death by Robert Silverberg
- 146 – Postmark Ganymede by Robert Silverberg
- 147 – Starman’s Quest by Robert Silverberg
- 148 – First Lensman by E. E. Smith
- 149 – The Galaxy Primes by E. E. Smith
- 150 – Lord Tedric by E. E. Smith
- 151 – Masters of Space by E. Everett Evans and E. E. Smith
- 152 – Spacehounds of IPC by E. E. Smith
- 153 – The Skylark of Space by Lee Hawkins Garby and E. E. Smith
- 154 – Skylark Three by E. E. Smith
- 155 – Subspace Survivors by E. E. Smith
- 156 – Tedric by E. E. Smith
- 157 – Triplanetary by E. E. Smith
- 158 – The Vortex Blaster by E. E. Smith
- 160 – 2 B R 0 2 B by Kurt Vonnegut
- 161 – The Big Trip Up Yonder by Kurt Vonnegut
- 162 – The Country of the Blind, and Other Stories by H. G. Wells
- 163 – The Door in the Wall, and Other Stories by H. G. Wells
- 164 – The First Men in the Moon by H. G. Wells
- 165 – The Food of the Gods and How It Came to Earth by H. G. Wells
- 166 – The Island of Doctor Moreau by H. G. Wells
- 167 – The Stolen Bacillus and Other Incidents by H. G. Wells
- 168 – Tales of Space and Time by H. G. Wells
- 169 – The Time Machine by H. G. Wells
- 170 – Twelve Stories and a Dream by H. G. Wells
- 171 – The War of the Worlds by H. G. Wells
- 172 – When the Sleeper Wakes by H. G. Wells
- 173 – The World Set Free by H. G. Wells
- 176 – The Cosmic Express by Jack Williamson
- 177 – The Pygmy Planet by Jack Williamson
- 178 – Salvage in Space by Jack Williamson
- 179 – Astounding Stories of Super-Science January 1930 by Ray Cummings et al
- 180 – Astounding Stories of Super-Science February 1930 by Various
- 181 – Astounding Stories of Super-Science, March 1930 by Various
- 182 – Astounding Stories of Super-Science April 1930 by Anthony Pelcher
- 183 – Astounding Stories of Super-Science, May, 1930 by Various
- 184 – Astounding Stories of Super-Science, June, 1930 by Various
- 185 – Astounding Stories of Super-Science July 1930 by Various
- 186 – Astounding Stories of Super-Science, August 1930 by Various
- 187 – Astounding Stories of Super-Science September 1930 by Various
- 188 – Astounding Stories of Super-Science, October, 1930 by Various
- 189 – Astounding Stories of Super-Science, November, 1930 by Various
- 190 – Astounding Stories of Super-Science, December 1930 by Various
- 191 – Astounding Stories of Super-Science January 1931 by Various
- 192 – Astounding Stories, February, 1931 by Various
- 193 – Astounding Stories, March, 1931 by Various
- 194 – Astounding Stories, April, 1931 by Various
- 195 – Astounding Stories, May, 1931 by Various
- 196 – Astounding Stories, June, 1931 by Various
- 197 – Astounding Stories, July, 1931 by Various
- 198 – Astounding Stories, August, 1931 by Various
- 199 – Youth by Isaac Asimov
- 200 – The Blindman’s World by Edward Bellamy