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Ace Double Books
Showing 1-50 of 337
The Dragon Masters / The 5 Gold Bands (Ace Double, 16640)
by (shelved 5 times as ace-double)
avg rating 3.80 — 81 ratings — published 1962
Son of the Tree / The Houses of Iszm (Ace Double, 77525)
by (shelved 4 times as ace-double)
avg rating 3.72 — 192 ratings — published 1964
The Man with Nine Lives; A Touch of Infinity (Paperback)
by (shelved 3 times as ace-double)
avg rating 3.81 — 21 ratings — published 1959
The Time Mercenaries / Anthropol (Ace SF Double, H-59)
by (shelved 3 times as ace-double)
avg rating 3.92 — 12 ratings — published 1968
The Hand of Zei (Mass Market Paperback)
by (shelved 3 times as ace-double)
avg rating 3.39 — 125 ratings — published 1950
Voodoo Planet (Solar Queen, #3)
by (shelved 3 times as ace-double)
avg rating 3.71 — 1,202 ratings — published 1959
Off Center/The Rithian Terror (Paperback)
by (shelved 3 times as ace-double)
avg rating 3.57 — 7 ratings — published 1965
The Herod Men / Dark Planet (Ace Double 13805)
by (shelved 3 times as ace-double)
avg rating 2.44 — 9 ratings — published 2009
The Electric Sword Swallowers / Beyond Capella (Paperback)
by (shelved 3 times as ace-double)
avg rating 2.71 — 7 ratings — published 1971
The Kar-Chee Reign / Rocannon's World
by (shelved 3 times as ace-double)
avg rating 3.65 — 54 ratings — published 1966
Battle on Venus / The Silent Invaders (Mass Market Paperback)
by (shelved 3 times as ace-double)
avg rating 3.06 — 16 ratings — published 1963
The Secret of Sinharat / People of the Talisman (Mass Market Paperback)
by (shelved 3 times as ace-double)
avg rating 3.80 — 74 ratings — published 1964
King Of The Fourth Planet / Cosmic Checkmate (Paperback)
by (shelved 3 times as ace-double)
avg rating 2.89 — 9 ratings — published 1962
Who Speaks of Conquest / The Earth in Peril (Ace Double, D-205)
by (shelved 2 times as ace-double)
avg rating 3.40 — 5 ratings — published
The Atlantic Abomination / The Martian Missile (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.80 — 5 ratings — published
Planet of No Return (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 3.52 — 514 ratings — published 1956
Tales of Outer Space, Adventures in the Far Future (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.91 — 11 ratings — published 1954
The Last Planet / A Man Obsessed (Ace Double, D-96)
by (shelved 2 times as ace-double)
avg rating 3.60 — 50 ratings — published 1953
The Forgotten Planet / Contraband Rocket (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 3.70 — 23 ratings — published 1955
Monsters in Orbit / The World Between and other Stories (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.58 — 36 ratings — published 1965
Message from the Eocene / Three Worlds of Futurity (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 3.43 — 23 ratings — published 1964
We, the Venusians / The Water of Thought (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.25 — 12 ratings — published 1965
Dr. Futurity / Slavers of Space (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.47 — 30 ratings — published 1960
The Crossroads of Time (Crosstime (aka) Blake Walker #1)
by (shelved 2 times as ace-double)
avg rating 3.84 — 838 ratings — published 1956
The Wrecks of Time / Tramontane (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 2.92 — 13 ratings — published 1966
The Blind Worm/ Seed of the Dreamers (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.00 — 11 ratings — published
The Gates of Time / Dwellers of the Deep (Paperback)
by (shelved 2 times as ace-double)
avg rating 2.90 — 21 ratings — published 1970
Solar Lottery / The Big Jump (Ace Double, D-103)
by (shelved 2 times as ace-double)
avg rating 3.80 — 15 ratings — published
The Unteleported Man & The Mind Monsters (Paperback Double)
by (shelved 2 times as ace-double)
avg rating 3.94 — 17 ratings — published 1966
A Planet of Your Own/The Beasts of Kohl (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 3.37 — 19 ratings — published 1966
The Towers of Toron/The Lunar Eye (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.60 — 10 ratings — published 1964
The Pirates Of Zan / The Mutant Weapon (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 3.68 — 25 ratings — published 1959
Beyond The Galactic Rim (The Rim World, #4)
by (shelved 2 times as ace-double)
avg rating 3.64 — 28 ratings — published 1963
The Sioux Spaceman / And Then the Town Took Off (Ace Double, D-437)
by (shelved 2 times as ace-double)
avg rating 4.00 — 19 ratings — published 1960
Plague Ship (Solar Queen, #2)
by (shelved 2 times as ace-double)
avg rating 3.91 — 2,265 ratings — published 1956
The Paradox Men (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 3.64 — 418 ratings — published 1949
Edge of Time; The 100th Millennium (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.75 — 8 ratings — published 1959
The 13th Immortal (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.16 — 80 ratings — published 1957
Star Guard (Central Control, #2)
by (shelved 2 times as ace-double)
avg rating 3.80 — 787 ratings — published 1955
The Door Through Space (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.29 — 948 ratings — published 1961
Rocket to Limbo/Echo in the Skull (Mass Market Paperback)
by (shelved 2 times as ace-double)
avg rating 3.67 — 12 ratings — published
Worlds of the Imperium (Imperium, #1)
by (shelved 2 times as ace-double)
avg rating 3.66 — 500 ratings — published 1961
Fear that Man / Toyman (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.20 — 212 ratings — published 1969
No Time for Heroes / Alice's World (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.88 — 76 ratings — published 1971
Sentinels of Space / The Ultimate Invader and Other Science-Fiction (Ace, No. D-44)
by (shelved 2 times as ace-double)
avg rating 2.91 — 11 ratings — published 1954
No World of Their Own (Kindle Edition)
by (shelved 2 times as ace-double)
avg rating 3.50 — 64 ratings — published 1955
The Dark Destroyers / Bow Down to Nul (Paperback)
by (shelved 2 times as ace-double)
avg rating 3.00 — 7 ratings — published 1960
The Mars Monopoly (ebook)
by (shelved 2 times as ace-double)
avg rating 3.82 — 11 ratings — published 1956
Invader on My Back / Destination: Saturn (Ace H-85)
by (shelved 2 times as ace-double)
avg rating 3.96 — 24 ratings — published 1968
The Stolen Sun and Tramontane (The Cosmic Kalevala, #3)
by (shelved 2 times as ace-double)
avg rating 3.21 — 33 ratings — published 1967
