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To the Vanishing Point
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Frost Burned
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The Black Knight and the Lady
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Out of the Silent Planet
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Cosmic (1)
Deathworld Ii: The Ethical Engineer
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The World Shuffler
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Lafayette O'Leary (2)
The Shape Changer
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The Hollow Hills
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Bloodhype
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To Ride Pegasus
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The Talent (1)
The Infinite Cage
The Pritcher Mass
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There Will Be Time
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A Transatlantic Tunnel, Hurrah!
Alternate Orbits (Ace Double)
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Dragonquest
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The Stainless Steel Rat
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The Time Bender
Lafayette O'Leary (1)
Dinosaur Beach
The Dancer From Atlantis
The Byworlder
Tactics of Mistake
Childe Cycle (4)
Retief of the CDT
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Time Trap
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Time Trap (1)
The Long Twilight
Hour of the Horde
Tau Zero
One Step From Earth
The Crystal Cave
Arthurian Saga (1)
The Time Dweller
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Let the Spacemen Beware
The Ship Who Sang
Brain and Brawn Ships (1)
Wolfling
None but Man
Decision at Doona
Doona (1)
Danger Below!
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Rick Brant (23)
The Other Sky
Niss (1)
The Monitors
Greylorn
Worlds of the Imperium
Imperium (1)
Restoree
S Is for Space
Ray Bradbury
Make Room! Make Room!
The Other Side of Time
Imperium (2)
Bill the Galactic Hero
Bill, the Galactic Hero (1)
The Universe Against Her
James H. Schmitz
Telzey Amberdoon (1)
Three Worlds to Conquer
The Ethical Engineer
A Trace of Memory
The Blood Red Game
Necromancer
Childe Cycle (1)
Makeshift Rocket
Planet of the Damned
Brion Brandd (1)
Deathworld 1
Deathworld (1)
Deathworld
Retief's Ransom
The Fall of Colossus
D. F. Jones
Colossus (2)
Masters of Everon
Trader to the Stars
The Star Fox
Shield
Satan's World
Man Who Counts