| 1 |
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The War of the Worlds
by
3.83 avg rating — 348,737 ratings
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| 2 |
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The Andromeda Strain (Andromeda, #1)
by
3.91 avg rating — 271,082 ratings
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| 3 |
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Footfall
by
3.92 avg rating — 17,573 ratings
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| 4 |
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Starship Troopers
by
4.01 avg rating — 245,847 ratings
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| 5 |
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The Day of the Triffids
by
4.01 avg rating — 117,244 ratings
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| 6 |
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Stinger
by
3.90 avg rating — 10,026 ratings
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| 7 |
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Ender’s Game (Ender's Saga, #1)
by
4.31 avg rating — 1,470,805 ratings
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| 8 |
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Dreamcatcher
by
3.66 avg rating — 185,910 ratings
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| 9 |
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In the Balance (Worldwar, #1)
by
3.83 avg rating — 7,251 ratings
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| 10 |
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Invasion of the Body Snatchers
by
3.90 avg rating — 25,364 ratings
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| 11 |
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Infected (Infected, #1)
by
3.83 avg rating — 22,820 ratings
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| 12 |
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The Puppet Masters
by
3.89 avg rating — 34,081 ratings
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| 13 |
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Lucifer's Hammer
by
really liked it 4.00 avg rating — 45,356 ratings
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| 14 |
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The 5th Wave (The 5th Wave, #1)
by
really liked it 4.00 avg rating — 479,218 ratings
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| 14 |
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Key Lime Sky
by
3.71 avg rating — 599 ratings
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| 16 |
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The Thing
by
4.04 avg rating — 1,195 ratings
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| 17 |
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Contagious (Infected, #2)
by
4.13 avg rating — 11,523 ratings
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| 18 |
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Reconquest: Mother Earth
by
really liked it 4.00 avg rating — 78 ratings
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| 19 |
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Who Goes There?
by
3.78 avg rating — 12,124 ratings
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| 20 |
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A Hymn Before Battle (Posleen War, #1)
by
4.03 avg rating — 13,769 ratings
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| 21 |
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The Taking
by
3.79 avg rating — 42,787 ratings
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| 22 |
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Childhood’s End
by
4.12 avg rating — 173,169 ratings
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| 22 |
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Live Free or Die (Troy Rising, #1)
by
4.18 avg rating — 9,542 ratings
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| 22 |
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Animorphs (Animorphs #1-54)
by
4.38 avg rating — 4,243 ratings
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| 25 |
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The House of Doors
by
3.70 avg rating — 1,027 ratings
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| 26 |
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Battlefield Earth: A Saga of the Year 3000
by
3.55 avg rating — 24,115 ratings
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| 27 |
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The Lost Starship (Lost Starship, #1)
by
3.83 avg rating — 9,374 ratings
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| 28 |
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The Trojan Horse
by
3.85 avg rating — 254 ratings
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| 28 |
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The Forever Gene
by
4.20 avg rating — 25 ratings
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| 28 |
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The Angel Prophecy (The UFO Chronicles Book 3)
by
4.44 avg rating — 18 ratings
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| 28 |
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The Last Days of Thunder Child
by
4.23 avg rating — 163 ratings
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| 28 |
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Malevolent: Alien First Contact Science Fiction Thriller
by
3.81 avg rating — 21 ratings
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| 28 |
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Forging Zero (The Legend of ZERO, #1)
by
4.10 avg rating — 7,459 ratings
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| 28 |
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Skull Flowers
by
2.64 avg rating — 143 ratings
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| 28 |
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The Lights
by
really liked it 4.00 avg rating — 6 ratings
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| 28 |
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Mozari Arrival (Hammond's Hardcases Book 1)
by
4.08 avg rating — 178 ratings
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| 28 |
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The Foundation Trilogy (Foundation, #1-3)
by
4.42 avg rating — 108,457 ratings
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| 28 |
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Moral Compass to Be, or Not to Be
by
4.39 avg rating — 79 ratings
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| 28 |
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The Forerunner (Vice Versa, #1)
by
3.39 avg rating — 23 ratings
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| 28 |
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Earth's Angels (The Earth's Angels Trilogy #1)
by
4.07 avg rating — 180 ratings
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| 28 |
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Claimed by the Alien
by
3.63 avg rating — 111 ratings
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| 28 |
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The Hero of Ages (Mistborn, #3)
by
4.56 avg rating — 585,899 ratings
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| 28 |
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The Darwin Elevator (Dire Earth Cycle, #1)
by
3.68 avg rating — 4,997 ratings
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| 44 |
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The Angel Conspiracy (The UFO Chronicles Book 2)
by
4.21 avg rating — 24 ratings
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| 44 |
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Zero Recall (The Legend of ZERO, #2)
by
4.34 avg rating — 4,822 ratings
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| 44 |
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Dialogue Prompt: "We Are Not Alone In The Universe!"
by
4.10 avg rating — 62 ratings
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| 44 |
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The Marilians (The Earth’s Angels Trilogy, #2)
by
4.57 avg rating — 53 ratings
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| 44 |
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Undaunted (Valkyrie Medevac Corps Book 1)
by
4.33 avg rating — 46 ratings
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| 44 |
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Within Alien Arms (The Ragrim Conflict #1)
by
3.74 avg rating — 168 ratings
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| 44 |
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Mercury Rising (First Planets #1)
by
3.75 avg rating — 355 ratings
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| 51 |
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The Arrival
by
3.32 avg rating — 66 ratings
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| 51 |
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Codename Angel
by
4.08 avg rating — 12 ratings
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| 51 |
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Zero's Return (The Legend of ZERO, #3)
by
4.32 avg rating — 3,671 ratings
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| 51 |
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Destination Unknown (The Earth's Angels Trilogy, #3)
by
4.70 avg rating — 40 ratings
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| 51 |
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Ensnared by the Alien Medic (The Ragrim Conflict #2)
by
3.93 avg rating — 57 ratings
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| 56 |
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Acorna's World (Acorna #4)
by
3.80 avg rating — 4,014 ratings
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| 57 |
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Invasions (Isaac Asimov's Wonderful Worlds of Science Fiction #10)
by
3.85 avg rating — 26 ratings
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| 57 |
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Alien
by
4.09 avg rating — 22,452 ratings
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| 59 |
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The Breach (Travis Chase, #1)
by
4.01 avg rating — 10,261 ratings
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| 59 |
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The Complete Independence Day Omnibus
by
3.86 avg rating — 142 ratings
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| 61 |
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Yellow Eyes (Posleen War: Sidestories, #2)
by
3.97 avg rating — 2,399 ratings
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| 61 |
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The Road Not Taken
by
4.04 avg rating — 187 ratings
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| 63 |
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Eye of the Storm (10) (Posleen War)
by
4.17 avg rating — 2,529 ratings
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| 63 |
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Stargate SG-1 (Stargate SG-1, #1)
by
3.85 avg rating — 404 ratings
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| 65 |
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The Visitors
by
3.46 avg rating — 905 ratings
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| 65 |
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Hell's Faire (Posleen War, #4)
by
4.08 avg rating — 6,011 ratings
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| 65 |
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Hell on Earth (Doom #2)
by
3.61 avg rating — 935 ratings
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| 68 |
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Moonbane
by
3.59 avg rating — 152 ratings
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| 68 |
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Gust Front (Posleen War, #2)
by
4.11 avg rating — 9,371 ratings
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| 70 |
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The Space Vampires
by
3.29 avg rating — 1,002 ratings
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| 70 |
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Shadowfall: Las Vegas
by
4.31 avg rating — 55 ratings
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| 72 |
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First Strike
by
4.09 avg rating — 909 ratings
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| 73 |
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Ark Royal (Ark Royal, #1)
by
3.80 avg rating — 7,635 ratings
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| 74 |
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The Nelson Touch (Ark Royal, #2)
by
3.93 avg rating — 4,567 ratings
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| 75 |
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Their Darkest Hour
by
4.06 avg rating — 180 ratings
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| 76 |
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Invasion
by
3.80 avg rating — 264 ratings
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