best hard science fiction

199.
The Ghost from the Grand Banks
The Ghost from the Grand Banks 3.31 avg rating — 2,051 ratings
202.
Quantum Space (Quantum #1)
Quantum Space (Quantum #1) 4.34 avg rating — 7,069 ratings
203.
Forge of Heaven (The Gene Wars, #2)
Forge of Heaven (The Gene Wars, #2) 3.90 avg rating — 901 ratings
204.
Polity Agent (Agent Cormac, #4)
Polity Agent (Agent Cormac, #4) 4.23 avg rating — 6,570 ratings
204.
Foundation's Edge (Foundation, #4)
Foundation's Edge (Foundation, #4) 4.18 avg rating — 96,174 ratings
206.
Alien Stars (Alien Stars #1)
Alien Stars (Alien Stars #1) 3.66 avg rating — 65 ratings
207.
Rama II (Rama #2)
Rama II (Rama #2) 3.71 avg rating — 28,887 ratings
208.
Forging Zero (The Legend of ZERO, #1)
Forging Zero (The Legend of ZERO, #1)
by: Sara King
4.10 avg rating — 7,416 ratings
209.
The Evolutionary Void (Void, #3)
The Evolutionary Void (Void, #3) 4.28 avg rating — 23,118 ratings
210.
Time's Eye (A Time Odyssey, #1)
Time's Eye (A Time Odyssey, #1) 3.72 avg rating — 8,598 ratings
210.
Schismatrix
Schismatrix 3.88 avg rating — 1,796 ratings
212.
Startide Rising (The Uplift Saga, #2)
Startide Rising (The Uplift Saga, #2) 4.04 avg rating — 33,061 ratings
213.
Newton's Wake
Newton's Wake 3.57 avg rating — 2,697 ratings
213.
Stand on Zanzibar
Stand on Zanzibar 3.94 avg rating — 17,111 ratings
215.
Against a Dark Background
Against a Dark Background 4.10 avg rating — 16,919 ratings
216.
Lifeburst
Lifeburst 3.22 avg rating — 67 ratings
216.
The Cassini Division (The Fall Revolution #3)
The Cassini Division (The Fall Revolution #3) 3.91 avg rating — 2,257 ratings
218.
The Currents of Space (Galactic Empire, #2)
The Currents of Space (Galactic Empire, #2) 3.85 avg rating — 21,324 ratings
219.
Children of the Lens (Lensman, #6)
Children of the Lens (Lensman, #6) 3.98 avg rating — 2,900 ratings
220.
Triplanetary (Lensman, #1)
Triplanetary (Lensman, #1) 3.66 avg rating — 7,437 ratings
221.
Up Against It
Up Against It 3.65 avg rating — 599 ratings
222.
Exhalation
Exhalation 4.27 avg rating — 106,330 ratings
223.
The Diamond Age: Or, a Young Lady's Illustrated Primer
The Diamond Age: Or, a Young Lady's Illustrated Primer 4.16 avg rating — 92,364 ratings
224.
Radio Freefall
Radio Freefall 3.73 avg rating — 168 ratings
224.
The Earth Gate
The Earth Gate 3.65 avg rating — 26 ratings
224.
Omniphage
Omniphage 3.80 avg rating — 5 ratings
224.
Broken Hero Part1
Broken Hero Part1 3.75 avg rating — 4 ratings
224.
Memories With Maya
Memories With Maya 3.34 avg rating — 124 ratings
224.
Occupy Space
Occupy Space 3.79 avg rating — 2,505 ratings
224.
Primed
Primed liked it 3.00 avg rating — 13 ratings
224.
The Black Hole Project
The Black Hole Project 3.60 avg rating — 10 ratings
224.
Infinity Beach
Infinity Beach 3.89 avg rating — 2,682 ratings
224.
Shifting Reality (ISF-Allion Universe #1)
Shifting Reality (ISF-Allion Universe #1) 3.94 avg rating — 131 ratings
224.
Charon's Ark
Charon's Ark 3.29 avg rating — 49 ratings
224.
50,000 A.D. The Awakening
50,000 A.D. The Awakening 3.43 avg rating — 77 ratings
224.
NGLND XPX
NGLND XPX 4.51 avg rating — 138 ratings
224.
Lick the Razor
Lick the Razor 3.79 avg rating — 56 ratings
224.
Haline
Haline 3.85 avg rating — 61 ratings
224.
Jackboot Britain
Jackboot Britain 3.63 avg rating — 112 ratings
224.
Skies of Jeremiah
Skies of Jeremiah 4.12 avg rating — 16 ratings
224.
A Soldier Forgiven
A Soldier Forgiven
by: A. Petrov
3.93 avg rating — 61 ratings
224.
Artemis
Artemis 3.52 avg rating — 255 ratings
224.
Midshipman Henry Gallant in Space (The Henry Gallant Saga, #1)
Midshipman Henry Gallant in Space (The Henry Gallant Saga, #1) 3.94 avg rating — 1,718 ratings
224.
Wormhole Moon: An Alien Civilization’s Alliance With Earth
Wormhole Moon: An Alien Civilization’s Alliance With Earth 3.89 avg rating — 9 ratings
224.
Prison of Souls
Prison of Souls 4.03 avg rating — 67 ratings
224.
Reunion on Neverend
Reunion on Neverend 3.73 avg rating — 83 ratings
224.
The Mothersea
The Mothersea 4.28 avg rating — 76 ratings
224.
Argonauts
Argonauts 3.45 avg rating — 428 ratings
224.
The Wanderers
The Wanderers 3.54 avg rating — 5,449 ratings
224.
Be Yourself, Everyone Else is Already Taken: Transform Your Life with the Power of Authenticity
Be Yourself, Everyone Else is Already Taken: Transform Your Life with the Power of Authenticity 3.67 avg rating — 263 ratings
224.
The Divinity Protocol
The Divinity Protocol 4.18 avg rating — 11 ratings
224.
Armor
Armor 4.10 avg rating — 20,366 ratings
224.
Misheard Lyrics
Misheard Lyrics 4.30 avg rating — 10 ratings
224.
Anti-Matter (Beyond The Green New Deal and Survival of the Human Race - Book Series.)
Anti-Matter (Beyond The Green New Deal and Survival of the Human Race - Book Series.) it was amazing 5.00 avg rating — 7 ratings
224.
The Antithesis: Inception
The Antithesis: Inception 4.10 avg rating — 138 ratings
224.
Cruiser Dreams (Kerrion Empire #2)
Cruiser Dreams (Kerrion Empire #2) 3.99 avg rating — 150 ratings
224.
The Great Action (Super Indy Book 4)
The Great Action (Super Indy Book 4) 4.86 avg rating — 91 ratings
224.
A Fire Within (Sekret Machines #2)
A Fire Within (Sekret Machines #2) 4.07 avg rating — 931 ratings
224.
U-10
U-10 4.33 avg rating — 110 ratings
224.
Reincarnated in an Alien's Body: Trapped on an Alien version of our Own Universe
Reincarnated in an Alien's Body: Trapped on an Alien version of our Own Universe 4.50 avg rating — 2 ratings
224.
BEAR SERUM
BEAR SERUM 4.41 avg rating — 17 ratings
224.
SCARS: Heroes come in all sizes
SCARS: Heroes come in all sizes 4.43 avg rating — 56 ratings
224.
Kaji Warriors: Shifting Strength
Kaji Warriors: Shifting Strength 4.55 avg rating — 20 ratings
224.
The Gazebo (Series of Doors #1)
The Gazebo (Series of Doors #1)
by: A.C. Zito
4.84 avg rating — 50 ratings
224.
The Present (VanWest, #2)
The Present (VanWest, #2) 3.64 avg rating — 2,283 ratings
224.
The Day I Killed God
The Day I Killed God 3.22 avg rating — 18 ratings
224.
The Weight of Dusk
The Weight of Dusk 4.67 avg rating — 6 ratings
224.
The Unadjusteds (The Unadjusteds, #1)
The Unadjusteds (The Unadjusteds, #1) 3.85 avg rating — 258 ratings
224.
Dark (The Dark Trilogy #1)
Dark (The Dark Trilogy #1) 3.88 avg rating — 200 ratings
224.
Hong on the Range
Hong on the Range 3.74 avg rating — 19 ratings
224.
Earthrise 2036
Earthrise 2036 it was amazing 5.00 avg rating — 1 rating
224.
The Damocles Agenda
The Damocles Agenda 4.08 avg rating — 95 ratings
224.
The Jellyfish Device
The Jellyfish Device 4.14 avg rating — 14 ratings
224.
The Eagle's Hammer
The Eagle's Hammer 4.64 avg rating — 11 ratings
224.
Entropy: A Sci-Fi Thriller
Entropy: A Sci-Fi Thriller 3.94 avg rating — 72 ratings
224.
Vårt liv är inte vårt (Petahertz, #1)
Vårt liv är inte vårt (Petahertz, #1) 3.79 avg rating — 102 ratings
224.
Doppelgänger: An Orphan, a Prodigy and a Murder
Doppelgänger: An Orphan, a Prodigy and a Murder 4.13 avg rating — 78 ratings
278.
To Climb a Flat Mountain
To Climb a Flat Mountain 3.58 avg rating — 12 ratings
278.
Last Shuttle Flight, First Alien Contact Part 2
Last Shuttle Flight, First Alien Contact Part 2 really liked it 4.00 avg rating — 6 ratings
278.
Learning to Kiss in the Snow
Learning to Kiss in the Snow really liked it 4.00 avg rating — 61 ratings
278.
Beowulf's Children (Heorot, #2)
Beowulf's Children (Heorot, #2) 3.79 avg rating — 3,879 ratings
278.
Version 43
Version 43 3.84 avg rating — 362 ratings
278.
Lieutenant Henry Gallant (The Henry Gallant Saga, #2)
Lieutenant Henry Gallant (The Henry Gallant Saga, #2) 4.06 avg rating — 920 ratings
278.
The Antaran Codex (Mapped Space #1)
The Antaran Codex (Mapped Space #1) 4.04 avg rating — 502 ratings
278.
Redshift Rendezvous
Redshift Rendezvous 3.76 avg rating — 287 ratings
278.
Технокосм
Технокосм 3.85 avg rating — 13 ratings
278.
Restricted Fantasies
Restricted Fantasies 3.88 avg rating — 293 ratings
278.
Dream Dancer (Kerrion Empire, #1)
Dream Dancer (Kerrion Empire, #1) 3.96 avg rating — 245 ratings
278.
Dialogue Prompt: "We Are Not Alone In The Universe!"
Dialogue Prompt: "We Are Not Alone In The Universe!" 4.12 avg rating — 59 ratings
278.
The Past (VanWest, #1)
The Past (VanWest, #1) 3.93 avg rating — 797 ratings
278.
In Times of Peace: Dance of Darkness and Light Episode 1
In Times of Peace: Dance of Darkness and Light Episode 1 4.71 avg rating — 7 ratings
278.
The Starseed
The Starseed it was amazing 5.00 avg rating — 3 ratings
278.
Surrender
Surrender it was amazing 5.00 avg rating — 2 ratings
278.
Världen är min (Petahertz, #2)
Världen är min (Petahertz, #2) 3.94 avg rating — 51 ratings
295.
Heads (Queen of Angels, #2)
Heads (Queen of Angels, #2)
by: Greg Bear
3.47 avg rating — 838 ratings
295.
Last Shuttle Flight, First Alien Contact Part 3
Last Shuttle Flight, First Alien Contact Part 3 4.12 avg rating — 8 ratings
295.
The Night's Night
The Night's Night 3.71 avg rating — 17 ratings
295.
Red Claw
Red Claw 3.65 avg rating — 437 ratings
295.
Deception Point
Deception Point
by: Dan Brown
3.76 avg rating — 691,695 ratings
295.
In Earth's Service (Mapped Space #2)
In Earth's Service (Mapped Space #2) 4.13 avg rating — 176 ratings
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