Star Trek: The Q Conflict
by Scott Tipton
3.67 · 12 ratings
comics · fiction · sci-fi · adult · aliens · exploration · box-set · space · space-travel · time-travel · action-adventure
Star Trek: The Q Conflict: Similar series
Zones of Thought
by Vernor Vinge
4.11 · 108 ratings
book · space · fiction · sci-fi · adult · invasion · audiobook · hard-sci-fi · aliens · exploration · space-opera · space-travel · violent-conflict · first-contact · action-adventure · singularity · classics · literary · box-set · transhumanism
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Marsbound
by Joe Haldeman
3.50 · 64 ratings
violent-conflict · first-contact · sci-fi · action-adventure · aliens · fiction · space · dystopia · audiobook · book · invasion · post-apocalyptic · adult · space-travel · space-opera · exploration · hard-sci-fi · time-travel · historical · military
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Linesman
by S.K. Dunstall
4.13 · 60 ratings
aliens · fiction · action-adventure · friendship · war · adult · space-fleet · violent-conflict · female-author · first-contact · military · space-opera · sci-fi · book · invasion · space · audiobook · exploration · futuristic · space-travel
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Theirs Not to Reason Why
by Jean Johnson
4.07 · 88 ratings
invasion · time-travel · book · paranormal · space · futuristic · war · female-mc · aliens · action-adventure · fiction · soldiers · sci-fi · space-travel · space-opera · first-contact · military · magic · adult · violent-conflict
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Mass Effect Novels
by Drew Karpyshyn
3.58 · 78 ratings
adult · space · sci-fi · space-opera · fiction · aliens · action-adventure · military · audiobook · violent-conflict · space-travel · exploration · comics · book · male-author · cyberpunk · dystopia · futuristic · hard-sci-fi · litrpg
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Noumenon
by Marina J. Lostetter
3.87 · 46 ratings
sci-fi · space-travel · space-opera · female-author · hard-sci-fi · action-adventure · aliens · exploration · fiction · audiobook · space · book · time-travel · adult · mystery · ai · genetic-engineering · disability · military · violent-conflict
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Cade Korbin Chronicles
by Jasper T. Scott
4.35 · 35 ratings
aliens · exploration · fiction · industrial-era · steampunk · adult · space-fleet · historical · violent-conflict · first-contact · military · space-travel · soldiers · sci-fi · book · invasion · cyberpunk · space · genetic-engineering · galactic-empire
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Guardians of the Galaxy 2008 Collected Editions
by Dan Abnett
3.98 · 58 ratings
space · adult · sci-fi · comics · fiction · super-powered · male-author · space-opera · aliens · action-adventure · humor · time-travel · lgbtq · violent-conflict · magic · box-set · literary · classics · invasion · religion
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Species Imperative
by Julie E. Czerneda
4.07 · 44 ratings
sci-fi · space-opera · adult · hard-sci-fi · aliens · fiction · space · anthologies · action-adventure · exploration · space-travel · female-author · first-contact · violent-conflict · female-mc · paranormal · audiobook · cyberpunk · dystopia · invasion
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Savage Stars
by Anthony James
4.35 · 52 ratings
galactic-empire · action-adventure · aliens · exploration · fiction · invasion · book · military · space · violent-conflict · adult · space-fleet · soldiers · sci-fi · space-opera · space-travel
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The Terra Nova Chronicles
by Richard Fox
4.19 · 41 ratings
action-adventure · sci-fi · galactic-empire · space-opera · space-travel · first-contact · space · violent-conflict · invasion · book · colonization · aliens · exploration · fiction · military · young-adult · audiobook · adult
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Pyreans
by S.H. Jucha
4.47 · 40 ratings
paranormal · sci-fi · space-opera · space-travel · audiobook · adult · space · book · aliens · exploration · fiction · first-contact · violent-conflict · invasion · action-adventure · multi-pov · hard-sci-fi · colonization · futuristic
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Freedom's Fire
by Bobby Adair
4.10 · 52 ratings
adult · invasion · book · colonization · aliens · exploration · fiction · epic · soldiers · space-travel · space-opera · galactic-empire · sci-fi · audiobook · military · first-contact · violent-conflict · space · space-fleet · dystopia
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Daedalus
by Michael J. Martinez
3.76 · 25 ratings
steampunk · space · invasion · time-travel · book · historical-fiction · historical · adult · violent-conflict · sci-fi · space-opera · alternate-history · aliens · exploration · fiction · action-adventure · industrial-era · audiobook · post-apocalyptic · first-contact
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The Resistance
by Nathan Hystad
4.33 · 24 ratings
space-opera · colonization · aliens · fiction · action-adventure · invasion · war · time-travel · book · audiobook · adult · violent-conflict · space · sci-fi · supernatural · first-contact · military · space-fleet · male-mc · soldiers
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Four Horsemen Universe
by Jason Córdova
4.37 · 186 ratings
aliens · exploration · fiction · military · first-contact · violent-conflict · space-fleet · adult · soldiers · sci-fi · space-travel · colonization · invasion · space · galactic-empire · action-adventure · literary-fiction · book · space-opera · audiobook
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Prince of Britannia Saga
by Fred Hughes
4.43 · 23 ratings
galactic-empire · aliens · fiction · invasion · book · military · space · violent-conflict · adult · space-fleet · sci-fi · colonization · action-adventure · exploration · literary-fiction · first-contact · soldiers · space-opera · space-travel · progression-fantasy
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Doctor Who: The Twelfth Doctor Titan Comics
by Robbie Morrison
3.72 · 25 ratings
action-adventure · fiction · time-travel · comics · sci-fi · aliens · space · adult · male-author · mystery · young-adult · humor · futuristic
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Futurama Comics
by Eric Rogers
3.95 · 22 ratings
space · humor · fiction · box-set · comics · sci-fi · comedy · robots · aliens · adult · time-travel · action-adventure · friendship · children-books · children · young-adult · satire
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Explorations
by Nathan Hystad
3.85 · 20 ratings
anthologies · aliens · fiction · sci-fi · adult · space · violent-conflict · military · time-travel · invasion · action-adventure · colonization · space-travel · first-contact · exploration · soldiers · male-mc · audiobook · space-fleet · war
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Codex Regius
by Chris Kennedy
4.10 · 10 ratings
military · first-contact · violent-conflict · space · space-fleet · adult · soldiers · sci-fi · space-travel · galactic-empire · colonization · action-adventure · fiction · invasion · aliens · exploration · book · literary-fiction · space-opera · war
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The Complete Short Fiction of Clifford D. Simak
by Clifford D. Simak
4.19 · 36 ratings
fiction · adult · sci-fi · anthologies · aliens · action-adventure · violent-conflict · time-travel · invasion · space · first-contact · exploration · military · space-travel · humor · robots · space-fleet · soldiers · space-opera · colonization
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The Evaran Chronicles
by Adair Hart
4.07 · 14 ratings
space · adult · audiobook · space-travel · sci-fi · action-adventure · aliens · fiction · book · time-travel · ai · space-opera · exploration · quest · super-powered · vampires · violent-conflict · box-set · alternate-history · war
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The Ansible Stories
by Stant Litore
4.00 · 9 ratings
exploration · fiction · space-travel · sci-fi · adult · space · first-contact · time-travel · invasion · aliens · action-adventure · poc-mc · space-opera · violent-conflict · book · horror · anthologies · dystopia · military · spirituality
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