Asgard
by Brian M. Stableford
3.43 · 7 ratings
space · book · fiction · action-adventure · sci-fi · adult · subterranean · industrial-era · steampunk · pulp · classics · aliens · 20th-century · earth · space-opera · literary · hollow-earth · historical
Asgard: Similar series
Ringworld
by Larry Niven
3.83 · 147 ratings
book · solar-system · space · audiobook · hard-sci-fi · aliens · fiction · space-opera · sci-fi · adult · action-adventure · space-travel · exploration · mystery · historical · classics · literary · 20th-century · male-author · violent-conflict
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Theo Waitley
by Sharon Lee
4.27 · 126 ratings
sci-fi · space-opera · audiobook · space · book · action-adventure · fiction · female-author · male-author · aliens · adult · young-adult · paranormal · military · coming-of-age · family · humor · politics · ai · children-books
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The Council Wars
by John Ringo
3.94 · 80 ratings
space-opera · adult · violent-conflict · military · war · apocalyptic · book · post-apocalyptic · fiction · action-adventure · dragons · space · audiobook · paranormal · sci-fi · fantasy · epic · dystopia · invasion · fae
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Revelation Space
by Alastair Reynolds
4.06 · 181 ratings
sci-fi · space-opera · adult · fiction · book · hard-sci-fi · audiobook · space · action-adventure · 21st-century · aliens · cyberpunk · epic · horror · exploration · transhumanism · colonization · first-contact · violent-conflict · male-author
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The Human Division
by John Scalzi
4.07 · 243 ratings
adult · violent-conflict · military · space-opera · space-travel · sci-fi · fiction · aliens · space · soldiers · humor · action-adventure · exploration · war · genetic-engineering · audiobook · galactic-empire · colonization · book · first-contact
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Alien Movie Novelizations
by Alan Dean Foster
3.98 · 61 ratings
fiction · action-adventure · aliens · adult · horror · sci-fi · audiobook · space-opera · classics · dystopia · space · literary · super-powered · war · violent-conflict · military · time-travel · book · anthologies · cyberpunk
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Riv’s Sanctuary
by A.G. Wilde
4.12 · 44 ratings
dark · sci-fi · adult · futuristic · poc-mc · female-mc · fiction · aliens · action-adventure · humor · paranormal · alpha-mc · space · romance · kidnapping · book · first-contact · violent-conflict · galactic-empire · audiobook
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Starship
by Mike Resnick
3.55 · 73 ratings
audiobook · military · violent-conflict · space · sci-fi · space-opera · fiction · action-adventure · exploration · war · book · adult · aliens · soldiers · space-fleet · first-contact · genetic-engineering · humor · hard-sci-fi · young-adult
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Blackcollar
by Timothy Zahn
3.65 · 52 ratings
adult · violent-conflict · military · sci-fi · action-adventure · fiction · book · space · dystopia · space-opera · war · first-contact · aliens · invasion · espionage · genetic-engineering · galactic-empire · contemporary · political-intrigue · cyborgs
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Peacekeeper
by Tanya Huff
4.11 · 38 ratings
adult · violent-conflict · space · audiobook · military · space-opera · soldiers · sci-fi · aliens · action-adventure · fiction · female-mc · lgbtq · war · book · futuristic · hard-sci-fi · female-author · space-fleet · alpha-mc
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Proxima-Trilogie
by Brandon Q. Morris
4.00 · 32 ratings
fiction · aliens · sci-fi · space-opera · ai · space-travel · audiobook · first-contact · space · violent-conflict · hard-sci-fi · invasion · book · action-adventure · exploration · adult · paranormal · drama · young-adult
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Star Trek: The Eugenics Wars
by Greg Cox
3.90 · 30 ratings
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Starfighter Training Academy
by Grace Goodwin
4.22 · 41 ratings
fiction · action-adventure · sci-fi · military · adult · romance · book · paranormal · audiobook · genetic-engineering · war · aliens · first-contact · space-fleet · violent-conflict · invasion · steamy · colonization · space · suspense
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Star Trek Enterprise Novelizations
by J.M. Dillard
3.73 · 22 ratings
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Galaxy Gladiators
by Alana Khan
4.21 · 157 ratings
fiction · book · adult · action-adventure · aliens · galactic-empire · sci-fi · female-mc · paranormal · first-contact · space-travel · space · violent-conflict · invasion · futuristic · steamy · new-adult · romance · alpha-mc · kidnapping
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Sethran Kada
by Chris Reher
3.90 · 20 ratings
book · adult · space · violent-conflict · sci-fi · galactic-empire · space-opera · fiction · action-adventure · first-contact · military · audiobook · soldiers · aliens · invasion · genetic-engineering · space-travel · exploration
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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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Starfire
by Spencer Ellsworth
3.81 · 16 ratings
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Mind + Machine
by Hanna Dare
4.04 · 26 ratings
book · romance · mlm · dystopia · lgbtq · futuristic · fiction · action-adventure · sci-fi · adult · space-opera · enemies-to-lovers · space · crime · paranormal · suspense · humor · outlaws · poc-mc · magic
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The Reforged
by Erica Lindquist
3.77 · 13 ratings
action-adventure · space · adult · fiction · sci-fi · book · space-opera · epic · enemies-to-lovers · audiobook · paranormal · magic · romance
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Jim Cartwright at Large
by Mark Wandrey
4.45 · 11 ratings
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Hooded Swan
by Brian M. Stableford
3.79 · 24 ratings
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Contact
by Natalie Debrabandere
4.50 · 8 ratings
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Asgard
by Brian M. Stableford
3.43 · 7 ratings
space · book · fiction · action-adventure · sci-fi · adult · subterranean · industrial-era · steampunk · pulp · classics · aliens · 20th-century · earth · space-opera · literary · hollow-earth · historical
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