Sign in with Facebook
Ace Doubles Books
Showing 1-50 of 330
Space Mercenaries / The Caves of Mars (Paperback)
by (shelved 5 times as ace-doubles)
avg rating 3.58 — 24 ratings — published 1965
The Dark Destroyers / Bow Down to Nul (Paperback)
by (shelved 4 times as ace-doubles)
avg rating 3.00 — 7 ratings — published 1960
The Last Planet / A Man Obsessed (Ace Double, D-96)
by (shelved 3 times as ace-doubles)
avg rating 3.60 — 50 ratings — published 1953
One of Our Asteroids is Missing/The Twisted Men (Paperback)
by (shelved 3 times as ace-doubles)
avg rating 3.25 — 20 ratings — published 1963
One Against Eternity (The Weapon Makers) / The Other Side of Here
by (shelved 3 times as ace-doubles)
avg rating 4.27 — 11 ratings — published 1947
Message from the Eocene / Three Worlds of Futurity (Mass Market Paperback)
by (shelved 3 times as ace-doubles)
avg rating 3.43 — 23 ratings — published 1964
Sentinels of Space / The Ultimate Invader and Other Science-Fiction (Ace, No. D-44)
by (shelved 3 times as ace-doubles)
avg rating 2.91 — 11 ratings — published 1954
The World of Null-A (paper)
by (shelved 3 times as ace-doubles)
avg rating 3.70 — 4,868 ratings — published 1945
The Universe Maker (Paperback)
by (shelved 3 times as ace-doubles)
avg rating 3.30 — 335 ratings — published 1950
Reality Forbidden / Contraband from Otherspace (dos-a-dos (Double Book))
by (shelved 3 times as ace-doubles)
avg rating 3.68 — 19 ratings — published 1967
The Seed of Earth / Next Stop the Stars (Mass Market Paperback)
by (shelved 3 times as ace-doubles)
avg rating 3.29 — 14 ratings — published 1962
Earthman, Go Home! (Mass Market Paperback)
by (shelved 3 times as ace-doubles)
avg rating 3.54 — 72 ratings — published 1960
The Dragon Masters / The 5 Gold Bands (Ace Double, 16640)
by (shelved 3 times as ace-doubles)
avg rating 3.80 — 81 ratings — published 1962
Life with Lancelot / Hunting on Kunderer (Paperback)
by (shelved 3 times as ace-doubles)
avg rating 2.46 — 13 ratings — published 1973
Dr. Futurity / Slavers of Space (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.47 — 30 ratings — published 1960
The Repairmen of Cyclops/Enigma From Tantalus (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.11 — 9 ratings — published 1965
The Planet Savers (Hardcover)
by (shelved 2 times as ace-doubles)
avg rating 3.73 — 2,038 ratings — published 1958
The Arsenal of Miracles (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 4.00 — 22 ratings — published 1964
Our Man In Space / Ultimatum in 2050 A.D. (paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.08 — 12 ratings — published 1965
The Space Willies / Six Worlds Yonder (Mass Market Paperback)
by (shelved 2 times as ace-doubles)
avg rating 4.24 — 114 ratings — published 1958
The Altar at Asconel (Kindle Edition)
by (shelved 2 times as ace-doubles)
avg rating 3.14 — 14 ratings — published 1965
Endless Shadow (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.00 — 10 ratings — published 1964
The Wrecks of Time / Tramontane (Mass Market Paperback)
by (shelved 2 times as ace-doubles)
avg rating 2.92 — 13 ratings — published 1966
The Golden People (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.14 — 86 ratings — published 1964
Behold the Stars (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 2.94 — 31 ratings — published 1965
The Planeteers (Kindle Edition)
by (shelved 2 times as ace-doubles)
avg rating 2.88 — 8 ratings — published 1966
The Unteleported Man (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.53 — 891 ratings — published 1966
The Space-Time Juggler: Empire Book 2 (Kindle Edition)
by (shelved 2 times as ace-doubles)
avg rating 3.00 — 14 ratings — published 1963
The Astronauts Must Not Land (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.23 — 13 ratings — published 1963
The Sword of Aldones (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.67 — 1,075 ratings — published 1962
The Plot Against Earth; Recruit for Andromeda (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.31 — 32 ratings — published 1959
To The Tombaugh Station (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.00 — 22 ratings — published 1960
The Rebellious Stars (The Stars, Like Dust) / An Earth Gone Mad
by (shelved 2 times as ace-doubles)
avg rating 4.00 — 2 ratings — published 1954
Into the Alternate Universe (Grimes in the Rim World, #1)
by (shelved 2 times as ace-doubles)
avg rating 3.44 — 18 ratings — published 1964
Hierarchies / Mister Justice (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.40 — 10 ratings — published 1973
The Water of Thought (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 2.86 — 59 ratings — published 1965
Vanguard From Alpha (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.08 — 12 ratings — published 1959
The Ship That Sailed the Time Stream / Stranger Than You Think (Mass Market Paperback)
by (shelved 2 times as ace-doubles)
avg rating 2.81 — 16 ratings — published 1965
The Rithian Terror (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.03 — 34 ratings — published 1965
The Psionic Menace (Kindle Edition)
by (shelved 2 times as ace-doubles)
avg rating 3.39 — 18 ratings — published 1963
Eye in the Sky (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.75 — 6,967 ratings — published 1957
The Sword of Rhiannon (Mass Market Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.54 — 999 ratings — published 1949
The Changeling Worlds (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 2.88 — 8 ratings — published 1959
Enigma From Tantalus (Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.06 — 16 ratings — published 1965
Second Ending (Kindle Edition)
by (shelved 2 times as ace-doubles)
avg rating 3.67 — 132 ratings — published 1961
The Rim of Space (Commander Grimes, #2)
by (shelved 2 times as ace-doubles)
avg rating 3.49 — 133 ratings — published 1961
Five Against Arlane / Lord of the Green Planet (Mass Market Paperback)
by (shelved 2 times as ace-doubles)
avg rating 2.67 — 12 ratings — published 1967
L'occhio dell'infinito (Mass Market Paperback)
by (shelved 2 times as ace-doubles)
avg rating 3.15 — 67 ratings — published 1941
