Books in Fiction > Science Fiction > Hard Sci-Fi
Browse 104 books on Hard Sci-Fi at MixCache.com, part of our Science Fiction collection. Available as instant ebook downloads, with paperback and hardcover editions on selected titles.
Showing 1–90 of 104.
Repair Crew Alpha: Practical Mechanics of Deep-Space Salvage
A hands-on fiction training manual following a salvage crew while teaching tools, techniques, and ethics
George Mills
$6.99 (ebook), $19.99 (paperback)
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Ten Thousand Winters of Sand and Star
A generational saga about terraforming a tidally locked planet and the families who endure it
Madeline Baker
$6.99 (ebook), $19.99 (paperback)
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The Last Broadcast from Ceres Colony
A stitched-together mystery reconstructed from intercepted transmissions and survivor testimony
Logan Hall
$6.99 (ebook), $19.99 (paperback)
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The Language of Rings
A linguist's odyssey decoding communication from an enigmatic ringed megastructure
Mark Smith
$6.99 (ebook), $19.99 (paperback)
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Field Guide to Martian Survival
An illustrated fictional survival manual that pairs practical colony techniques with personal stories
Daniel Gomez
$6.99 (ebook), $19.99 (paperback)
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Signal from the Deep Core
A first-contact linguistics thriller set inside a gas giant's atmosphere
Bruce Reynolds
$6.99 (ebook), $18.99 (paperback)
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The Pale Algorithm
A hard science fiction thriller about climate-prediction AIs and the politics of forecasting
Carl Ortiz
$6.99 (ebook), $18.99 (paperback)
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Orbital Jury: Casefiles of the Expanse Court
A courtroom science fiction series of dramatic legal cases about space law and robot rights
Christine Alvarez
$6.99 (ebook), $19.99 (paperback)
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Harvesters of Starlight
A solar-sailing epic about a crew harvesting energy from interstellar dust and the myths that grow around them
Peter Ruiz
$6.99 (ebook), $18.99 (paperback)
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The Clockwork Epoch
A time-manipulation thriller that treats causal mechanics like engineering constraints
Roger Stephens
$6.99 (ebook), $18.99 (paperback)
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Orbital Forensics
A forensic thriller set in zero-G where crime scene science faces new physical realities
Logan Mendoza
$6.99 (ebook), $18.99 (paperback)
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The Sleeper Cartographers
A hard-SF adventure about waking a generation ship's navigators from cryo-suspension
Diane Harris
$6.99 (ebook), $18.99 (paperback)
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The Quiet Colony
A micro-scale social study about building a new culture on an uninhabited moonlet
Frank Chen
$6.99 (ebook), $18.99 (paperback)
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The Terraformer's Logbook
A speculative field manual turned intimate memoir of world-building and personal reckoning
Kathryn Soto
$6.99 (ebook), $18.99 (paperback)
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Children of the Dyson Swarm
An intergenerational saga of identity and empire around a star-harvesting megastructure
Ronald Stewart
$6.99 (ebook), $19.99 (paperback)
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Shadows of the Black Sea
A Maritime Thriller of Secrets and Betrayal
Eric Kim
$6.99 (ebook), $18.99 (paperback)
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Echoes of the Quantum
A Science Fiction Odyssey Through Time and Consequence
Helen Clark
$6.99 (ebook), $18.99 (paperback)
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Whispers of Terra: The Hidden Echoes
A Science Fiction Odyssey Through Time and Space
Hannah Reynolds
$6.99 (ebook), $18.99 (paperback)
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The Starlight Conspiracy
A Science Fiction Tale of Reality's Hidden Layers
Laura Bryant
$6.99 (ebook), $18.99 (paperback)
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The Starbound Chronicles
A Journey Through Cosmic Mysteries and Human Destiny
Jennifer Carter
$6.99 (ebook), $18.99 (paperback)
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Shadow of the Storm
A Sci-Fi Adventure Through Time and Consciousness
Julie Rivera
$6.99 (ebook), $18.99 (paperback)
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Echoes of Solaris
A Science Fiction Odyssey Across Forgotten Galaxies
Jeremy Edwards
$6.99 (ebook), $18.99 (paperback)
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The Quantum Rift
A Science Fiction Journey Through Time and Existence
Beverly Edwards
$6.99 (ebook), $18.99 (paperback)
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Quantum Echoes
A Mind-Bending Journey Through Time and Parallel Realities
Laura Vasquez
$6.99 (ebook), $19.99 (paperback)
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Echoes of the Sphinx
A Mystery of Time, Secrets, and Ancient Technology
Patrick Black
$6.99 (ebook), $18.99 (paperback)
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The Deep Echo
A Mystery of Oceanic Secrets and Uncharted Waters
Curtis Wells
$6.99 (ebook), $18.99 (paperback)
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The Twelve Echoes
A Journey through Time to Unravel the Mystery of a Doomed Experiment
Eric Perry
$6.99 (ebook), $18.99 (paperback)
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Dawn of the Last Sky
A Science Fiction Saga of Survival and Redemption
Sarah Hill
$6.99 (ebook), $18.99 (paperback)
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Celestial Parallax
A Science Fiction Voyage Beyond the Edge of Reality
Thomas Olson
$6.99 (ebook), $19.99 (paperback)
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Shadows of the Final Frontier
An Epic Space Odyssey of Betrayal and Redemption
Randy James
$6.99 (ebook), $18.99 (paperback)
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The Shadow of Tomorrow
A Futuristic Saga of Destiny and Defiance
Susan Castro
$6.99 (ebook), $18.99 (paperback)
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Parallel Veins
A Mind-Bending Adventure Across Alternate Realities
Bruce Powell
$6.99 (ebook), $18.99 (paperback)
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Echoes of the Quantum Sea
A Sci-Fi Odyssey Across Time and Possibility
Joseph Howard
$6.99 (ebook), $19.99 (paperback)
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The Echo of Lost Worlds
A Science Fiction Adventure Across Dimensions
Edward Rodriguez
$6.99 (ebook), $18.99 (paperback)
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Shadows of the Quantum Veil
A Science Fiction Odyssey Across Parallel Dimensions
Frances Sullivan
$6.99 (ebook), $18.99 (paperback)
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The Lunar Heist
A Sci-Fi Crime Thriller on the Brink of a Revolution
Diane Meyer
$6.99 (ebook), $18.99 (paperback)
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Whispers of the Quantum Code
A Sci-Fi Odyssey Through Dimensions and Destiny
Marilyn Morris
$6.99 (ebook), $18.99 (paperback)
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The Time Weaver's Passage
A Journey Through Time and Hidden Dimensions
Wayne Lopez
$6.99 (ebook), $19.99 (paperback)
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The Quantum Inheritance
A Sci-Fi Adventure Through Time and Destiny
Randy Miller
$6.99 (ebook), $18.99 (paperback)
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Quantum Convergence
A Sci-Fi Odyssey of Time, Choice, and Destiny
Grace Kim
$6.99 (ebook), $18.99 (paperback)
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Time's Labyrinth
A Science Fiction Adventure Through the Threads of Fate
Louis Robinson
$6.99 (ebook), $18.99 (paperback)
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The Quantum Intrigue
A Science Fiction Mystery of Parallel Worlds
Cheryl Patterson
$6.99 (ebook), $18.99 (paperback)
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The Elysium Project
An Epic Journey Through Worlds Beyond Imagination
Heather Harris
$6.99 (ebook), $18.99 (paperback)
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The Quantum Chronicles
A Science Fiction Odyssey Through Time and Space
Kelly Crawford
$6.99 (ebook), $19.99 (paperback)
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The Time Weaver's Guild
A Science Fiction Adventure Through the Fabric of Reality
Joan Rogers
$6.99 (ebook), $19.99 (paperback)
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Echoes of the Fifth Moon
A Sci-Fi Odyssey Across Time and Space
Diane Chen
$6.99 (ebook), $18.99 (paperback)
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Shadows of the Quantum Realm
A Science Fiction Odyssey Beyond Reality
Teresa Daniels
$6.99 (ebook), $19.99 (paperback)
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The Quantum Seraph
A Sci-Fi Odyssey Through the Fabric of Reality
Donna Vasquez
$6.99 (ebook), $19.99 (paperback)
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The Astronaut's Promise
Rediscovering Humanity in the Twilight of the Stars
Jeremy Stevens
$6.99 (ebook), $18.99 (paperback)
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The Quantum Dilemma
A Science Fiction Saga of Choices and Consequences
Barbara McDonald
$6.99 (ebook), $18.99 (paperback)
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The Quantum Dreamer
A Sci-Fi Adventure Through Parallel Worlds
Karen Nichols
$6.99 (ebook), $18.99 (paperback)
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The Echo of Eternity
A Science Fiction Odyssey Across Time and Space
Walter Schmidt
$6.99 (ebook), $18.99 (paperback)
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Whispers of the Quantum Veil
A Science Fiction Odyssey Across Dimensions
Matthew Mitchell
$6.99 (ebook), $18.99 (paperback)
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The Timeless Cypher
A Science Fiction Odyssey Across Worlds and Time
Christine Wilson
$6.99 (ebook), $18.99 (paperback)
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Whispers of the Astral Plane
A Science Fiction Odyssey Through Interdimensional Mysteries
Christina Crawford
$6.99 (ebook), $18.99 (paperback)
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Parallel Destinies
A Science Fiction Saga of Choices and Consequences
Randy Moreno
$6.99 (ebook), $18.99 (paperback)
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The Quantum Garden
A Science Fiction Epic of Time, Love, and Destiny
Sandra Evans
$6.99 (ebook), $18.99 (paperback)
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The Chrono Archivist
A Journey Through Time, Secrets, and Redemption
Paul Castillo
$6.99 (ebook), $18.99 (paperback)
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Echoes of the Mist
A Journey Through Forgotten Civilizations and Time
Rachel Fox
$6.99 (ebook), $18.99 (paperback)
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Echoes of the Quantum Realm
A Science Fiction Odyssey Beyond Parallel Dimensions
Heather Torres
$6.99 (ebook), $18.99 (paperback)
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The Quantum Conclave
A Science Fiction Odyssey Across Parallel Universes
Zachary Warren
$6.99 (ebook), $19.99 (paperback)
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The Quantum Hourglass
A Journey Through Time and Identity
Theresa Scott
$6.99 (ebook), $18.99 (paperback)
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The Glass Plane
A Tale of Time, Betrayal, and Redemption
Jacob Green
$6.99 (ebook), $19.99 (paperback)
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The Quantum Singularity
A Sci-Fi Adventure Beyond Time
Julia Henderson
$6.99 (ebook), $19.99 (paperback)
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Echoes of the Blue Planet
A Futuristic Quest to Save Earth from Within
Jeffrey Warren
$6.99 (ebook), $18.99 (paperback)
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Quantum Divide
A Sci-Fi Adventure Across Parallel Universes
Stephen Long
$6.99 (ebook), $18.99 (paperback)
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Echoes of the Titan's Gate
A Sci-Fi Odyssey Through the Cosmos
Judith Daniels
$6.99 (ebook), $18.99 (paperback)
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The Aurora Code
An Alien Mystery Across the Arctic Sky
Natalie Hernandez
$6.99 (ebook), $18.99 (paperback)
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Eclipse of Time
A Sci-Fi Adventure Through Dimensions
Louis Guzman
$6.99 (ebook), $18.99 (paperback)
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Whispers of the Celestial Clock
A Cosmic Quest Through Space and Time
Albert Cruz
$6.99 (ebook), $18.99 (paperback)
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The Quantum Duelist
A Sci-Fi Adventure Across Dimensions
Carl Lopez
$6.99 (ebook), $18.99 (paperback)
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The Quantum Echo
A Science Fiction Novel of Time, Choices, and Parallel Realities
Kathryn Nelson
$6.99 (ebook), $18.99 (paperback)
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The Quantum Tapestry
A Sci-Fi Adventure of Time, Identity, and Choices
Donna Gutierrez
$6.99 (ebook), $19.99 (paperback)
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The Forgotten Astronauts
A Journey Through Space and Time
Juan Myers
$6.99 (ebook), $18.99 (paperback)
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The Quantum Mirage
A Science Fiction Odyssey Through Alternate Realities
Jordan Kennedy
$6.99 (ebook), $19.99 (paperback)
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The Timekeeper's Gambit
A Science Fiction Adventure Through the Veils of Time
Patricia Mendoza
$6.99 (ebook), $19.99 (paperback)
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Echoes of Empyrean
A Science Fiction Odyssey Across Lost Worlds
Dennis Sullivan
$6.99 (ebook), $18.99 (paperback)
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The Quantum Cipher
A Science Fiction Thriller of Time, Secrets, and Survival
Jonathan Russell
$6.99 (ebook), $18.99 (paperback)
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The Starfall Enigma
A Sci-Fi Journey Through Galactic Mysteries and Human Connections
Madeline Guzman
$6.99 (ebook), $18.99 (paperback)
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The Shadow Outpost
An Epic Adventure at the Edge of the Universe
Michael Garcia
$6.99 (ebook), $18.99 (paperback)
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Eclipse of the Ancients
A Tale of Forgotten Heroes and Cosmic Mysteries
George Freeman
$6.99 (ebook), $18.99 (paperback)
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Shadows of the Quantum Vale
A Science Fiction Odyssey Through Parallel Universes
Rose Cooper
$6.99 (ebook), $19.99 (paperback)
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The Relic Hunter
A Thrilling Race Against Time to Unearth Humanity's Greatest Secret
Andrew Smith
$6.99 (ebook), $18.99 (paperback)
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The Celestial Code
A Sci-Fi Adventure Through Time and Space
Justin Young
$6.99 (ebook), $18.99 (paperback)
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The Quantum Nomad
Unraveling the Mysteries of a Fractured Multiverse
Angela Campbell
$6.99 (ebook), $19.99 (paperback)
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The Astral Legacy
A Science Fiction Odyssey of Love, War, and Destiny
Mark Watson
$6.99 (ebook), $19.99 (paperback)
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The Quantum Prisoner
A Science Fiction Journey Through Space and Time
Donald Parker
$6.99 (ebook), $19.99 (paperback)
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Echoes of the Quantum Shift
A Sci-Fi Adventure Through Parallel Realities
Alice Owens
$6.99 (ebook), $18.99 (paperback)
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The Quantum Enclave
A Science Fiction Odyssey Through Time and Space
Amy Johnson
$6.99 (ebook), $18.99 (paperback)
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The Celestial Enigma
A Science Fiction Odyssey of Ancient Intelligence and Human Destiny
Barbara Mason
$6.99 (ebook), $18.99 (paperback)
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