| 1 |
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We're Off to Look for Aliens
by
3.81 avg rating — 115 ratings
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| 1 |
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Redworld: Year One (Redworld, #1)
by
3.28 avg rating — 43 ratings
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| 1 |
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Defy the Stars (Constellation, #1)
by
4.02 avg rating — 13,618 ratings
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| 1 |
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Earth Sucks
by
4.24 avg rating — 50 ratings
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| 5 |
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Steve The Alien
by
it was amazing 5.00 avg rating — 2 ratings
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| 5 |
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Aliens on Holiday
by
3.46 avg rating — 13 ratings
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| 5 |
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Empress of a Thousand Skies (Empress of a Thousand Skies, #1)
by
3.35 avg rating — 8,174 ratings
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| 8 |
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Aliens Love Underpants
by
4.10 avg rating — 4,728 ratings
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| 8 |
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The Alien in the Garden
by
3.60 avg rating — 10 ratings
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| 8 |
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Unearthed (Unearthed, #1)
by
3.81 avg rating — 7,997 ratings
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| 11 |
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Ender’s Game (Ender's Saga, #1)
by
4.31 avg rating — 1,474,389 ratings
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| 11 |
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Zero Repeat Forever (Nahx Invasions #1)
by
3.94 avg rating — 3,797 ratings
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| 13 |
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Speaker for the Dead (Ender's Saga, #2)
by
4.11 avg rating — 271,220 ratings
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| 14 |
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Points of Impact (Frontlines, #6)
by
4.22 avg rating — 11,200 ratings
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| 15 |
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Don't Feed the Fairies (The Cytolene Chronicles, #1)
by
3.59 avg rating — 56 ratings
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| 16 |
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Have Wormhole, Will Travel
by
3.28 avg rating — 68 ratings
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| 17 |
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The War of the Worlds
by
3.83 avg rating — 350,015 ratings
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| 18 |
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Little Fuzzy (Vintage Avon, F118)
by
4.03 avg rating — 10,791 ratings
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| 19 |
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Barbarian (Alien Barbarians of Zandipor, #1)
by
3.55 avg rating — 945 ratings
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| 20 |
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Carl Sagan's Hunt for Intelligent Life in the Universe (Archangel Project, #0.5)
by
4.12 avg rating — 484 ratings
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| 21 |
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Sun Dragon
by
3.86 avg rating — 57 ratings
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| 22 |
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City of Pearl (Wess'har Wars, #1)
by
3.91 avg rating — 2,325 ratings
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| 23 |
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King of a Thousand Suns
by
4.67 avg rating — 3 ratings
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| 24 |
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The First Voyage (Pets and Masters in Space #1)
by
3.98 avg rating — 377 ratings
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| 25 |
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The Brede Chronicles (The Brede Chronicles, #1)
by
4.24 avg rating — 25 ratings
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| 26 |
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Defying the Prophet (The Sentience Trilogy #2)
by
4.19 avg rating — 52 ratings
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| 27 |
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Grand Central Arena (Grand Central Arena, #1)
by
4.06 avg rating — 798 ratings
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| 28 |
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Beyond Hercules
by
4.33 avg rating — 21 ratings
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| 29 |
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Daimones (Daimones Trilogy, #1)
by
3.45 avg rating — 636 ratings
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| 30 |
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The Star Beast
by
3.82 avg rating — 8,051 ratings
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| 31 |
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The Day of the Triffids
by
4.01 avg rating — 117,584 ratings
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| 32 |
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Battlefield Earth: A Saga of the Year 3000
by
3.55 avg rating — 24,132 ratings
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| 33 |
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The Forever War (The Forever War, #1)
by
4.14 avg rating — 180,565 ratings
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| 34 |
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Midnight at the Well of Souls (Saga of the Well World, #1)
by
3.97 avg rating — 4,963 ratings
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| 35 |
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Helliconia Spring (Helliconia, #1)
by
3.63 avg rating — 4,577 ratings
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| 36 |
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Four Hundred Billion Stars (Four Hundred Billion Stars, #1)
by
3.49 avg rating — 473 ratings
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| 37 |
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Golden Witchbreed (Orthe, #1)
by
3.76 avg rating — 1,123 ratings
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| 38 |
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Ancient Light (Orthe #2)
by
3.66 avg rating — 406 ratings
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| 39 |
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Uncharted Territory
by
3.48 avg rating — 1,781 ratings
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| 40 |
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The Martian Chronicles
by
4.16 avg rating — 286,011 ratings
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| 41 |
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The Word for World Is Forest
by
4.07 avg rating — 43,817 ratings
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