Mars
by Kage Baker
3.77 · 62 ratings
fiction · sci-fi · anthologies · adult · space · space-opera · action-adventure · time-travel · book · young-adult · colonization · mars · dystopia · audiobook · hard-sci-fi · aliens · exploration · space-travel · female-author · first-contact
Mars: Similar series
Xenogenesis
by Octavia E. Butler
4.25 · 151 ratings
female-author · first-contact · horror · poc-author · post-apocalyptic · classics · literary · feminism · space · dystopia · apocalyptic · lgbtq · action-adventure · afrofuturism · aliens · fiction · female-mc · poc-mc · 20th-century · sci-fi
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Robot
by Isaac Asimov
4.21 · 359 ratings
robots · fiction · sci-fi · adult · classics · literary · ai · hard-sci-fi · mystery · 20th-century · male-author · audiobook · dystopia · historical · anthologies · space · action-adventure · space-opera · law-enforcement · technology
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Galactic Milieu Trilogy
by Julian May
4.21 · 86 ratings
aliens · fiction · action-adventure · post-apocalyptic · time-travel · female-author · space · sci-fi · space-opera · anthologies · hard-sci-fi · adult · cyberpunk · paranormal · high-school · supernatural · young-adult · mystery · invasion · book
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Gaea Trilogy
by John Varley
4.10 · 60 ratings
fiction · aliens · audiobook · space · anthologies · invasion · romantic-love · sci-fi · space-travel · space-opera · violent-conflict · adult · hard-sci-fi · lgbtq · wlw · female-mc · action-adventure · cyberpunk · dystopia · military
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Frank Kurns Stories of the UnknownWorld
by Natalie Grey
4.49 · 78 ratings
fiction · action-adventure · supernatural · sci-fi · shapeshifters · urban-fantasy · space-opera · paranormal · adult · genetic-engineering · military · book · anthologies · vampires · dark · space · violent-conflict · war · romance · invasion
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Saga of the Well World
by Jack L. Chalker
3.97 · 119 ratings
space · space-opera · sci-fi · aliens · action-adventure · fiction · adult · audiobook · book · literary · pulp · classics · anthologies · magic · journey · horror · ai · epic · religious · children-books
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Alien Movie Novelizations
by Alan Dean Foster
3.98 · 61 ratings
action-adventure · aliens · fiction · sci-fi · horror · adult · audiobook · dystopia · space-opera · classics · literary · space · war · super-powered · military · violent-conflict · anthologies · book · time-travel · cyberpunk
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Trade Pact Universe
by Julie E. Czerneda
3.94 · 44 ratings
time-travel · female-author · first-contact · adult · sci-fi · space-opera · female-mc · psychics · action-adventure · aliens · fiction · space · paranormal · anthologies · romance · military · violent-conflict · alpha-mc · dystopia · colonization
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Future History or "Heinlein Timeline"
by Robert A. Heinlein
3.89 · 198 ratings
sci-fi · fiction · literary · audiobook · classics · adult · space · anthologies · 20th-century · action-adventure · book · space-travel · space-opera · historical · hard-sci-fi · young-adult · philosophy · 21st-century · contemporary · time-travel
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Cat
by Joan D. Vinge
3.98 · 61 ratings
cyberpunk · sci-fi · fiction · cats · animals · space · book · adult · aliens · action-adventure · dystopia · young-adult · anthologies · female-author · space-opera · psychics · paranormal · box-set · political-intrigue · orphans
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Cluster
by Piers Anthony
3.61 · 56 ratings
sci-fi · fiction · action-adventure · adult · space · space-opera · anthologies · book · myths · xenofiction · epic · space-fleet · violent-conflict · male-author · pulp · military
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Worlds of Star Trek: Deep Space Nine
by Una McCormack
3.83 · 39 ratings
space-opera · aliens · action-adventure · fiction · anthologies · invasion · military · adult · genetic-engineering · space · violent-conflict · sci-fi · first-contact · pulp
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The Prime Chronicles
by Monette Michaels
3.83 · 36 ratings
sci-fi · adult · futuristic · aliens · fiction · paranormal · steamy · romance · military · action-adventure · suspense · space · anthologies · space-opera · dangerous-mc · fated-mates · warriors · alpha-mc · magic · violent-conflict
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Firefly Collected Editions
by Greg Pak
3.79 · 47 ratings
fiction · adult · sci-fi · comics · western · action-adventure · industrial-era · historical · other-world · anthologies · space · space-opera · dystopia · humor · mystery · war · violent-conflict · crime · dark
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Starfishers Trilogy
by Glen Cook
3.82 · 39 ratings
space · anthologies · fiction · sci-fi · space-opera · adult · action-adventure · post-apocalyptic · hard-sci-fi · violent-conflict · military · invasion · war · aliens · revenge · galactic-empire · europe · scandinavia · espionage · medieval
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Los señores de la Instrumentalidad
by Cordwainer Smith
3.91 · 22 ratings
classics · fiction · adult · sci-fi · literary · action-adventure · anthologies · space · space-opera · supernatural · hard-sci-fi · futuristic · book · far-future · dystopia · paranormal · suspense · space-travel
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Flandry
by Poul Anderson
3.68 · 73 ratings
sci-fi · fiction · space-opera · adult · space · military · violent-conflict · action-adventure · book · contemporary · anthologies · aliens · space-travel · politics · political-intrigue · revenge · galactic-empire · comics · philosophy · conspiracies
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Star Trek: New Earth
by Diane Carey
3.65 · 41 ratings
action-adventure · sci-fi · space-opera · military · space-fleet · space · violent-conflict · anthologies · invasion · colonization · aliens · fiction · adult · hard-sci-fi · technology · young-adult
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Star Trek: Myriad Universes
by William Leisner
3.95 · 20 ratings
space-opera · action-adventure · fiction · anthologies · military · adult · space · violent-conflict · sci-fi · aliens · invasion · first-contact · genetic-engineering · alternate-history · exploration · space-fleet · dystopia · travel · space-travel
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Technic Civilization Saga
by Poul Anderson
3.92 · 39 ratings
space · fiction · action-adventure · space-opera · sci-fi · violent-conflict · adult · military · book · anthologies · political-intrigue · espionage · aliens · space-travel · young-adult · galactic-empire · war · social-commentary · futuristic · amnesia
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Adventures in the Liaden Universe
by Sharon Lee
4.39 · 179 ratings
adult · space-opera · sci-fi · fiction · space · action-adventure · book · anthologies · ai · paranormal · invasion · violent-conflict · first-contact · military · aliens · magic · romance · female-author · epic · animals
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Hoka
by Poul Anderson
3.67 · 18 ratings
fiction · humor · adult · sci-fi · action-adventure · anthologies · space · space-opera · comedy · heroic-fantasy · aliens · pulp · friendship · family · animals · book
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Apotheosis
by S. Andrew Swann
3.69 · 13 ratings
action-adventure · space-travel · audiobook · sci-fi · dystopia · cyberpunk · space-opera · violent-conflict · military · adult · space · anthologies · exploration · fiction · historical · industrial-era · steampunk · alternate-history · spirituality · male-author
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Platoon F
by John P. Logsdon
3.73 · 11 ratings
fiction · sci-fi · action-adventure · humor · time-travel · adult · space · violent-conflict · military · satire · galactic-empire · comedy · space-opera · space-travel · soldiers · anthologies · audiobook · box-set · ai · alternate-history
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