Flash Gordon Novels
by Alex Raymond
3.43 · 7 ratings
fiction · sci-fi · book · action-adventure · adult · aliens · space-opera · audiobook · pulp · young-adult
Flash Gordon Novels: Similar series
The Murderbot Diaries
by Martha Wells
4.28 · 482 ratings
fiction · sci-fi · space-opera · robots · book · space · action-adventure · humor · ai · lgbtq · adult · female-author · audiobook · crime · futuristic · mystery · cyberpunk · dystopia · 21st-century · hard-sci-fi
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Star Wars: Alphabet Squadron
by Alexander Freed
3.84 · 58 ratings
action-adventure · sci-fi · galactic-empire · space-opera · military · audiobook · space-fleet · space · violent-conflict · lgbtq · book · fiction · adult · war · aliens · mystery · travel · male-mc · other-world · young-adult
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Saga of the Well World
by Jack L. Chalker
3.97 · 119 ratings
aliens · fiction · action-adventure · space-opera · sci-fi · space · adult · audiobook · book · anthologies · pulp · classics · literary · religious · children-books · young-adult · ai · epic · magic · journey
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The Adventures of a Xeno-Archaeologist
by Jenny Schwartz
4.33 · 84 ratings
adult · first-contact · military · space-opera · sci-fi · action-adventure · aliens · fiction · futuristic · space · ai · supernatural · exploration · super-powered · cyberpunk · galactic-empire · book · romance · space-fleet · space-travel
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War Eternal
by M.R. Forbes
4.19 · 151 ratings
invasion · aliens · fiction · space-opera · soldiers · sci-fi · space · adult · space-fleet · military · violent-conflict · book · war · time-travel · action-adventure · first-contact · audiobook · galactic-empire · futuristic · colonization
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Chaos of the Covenant
by M.R. Forbes
4.35 · 109 ratings
space-opera · invasion · book · audiobook · genetic-engineering · space · angels · female-mc · aliens · fiction · military · adult · violent-conflict · sci-fi · soldiers · heroic-fantasy · action-adventure · space-fleet · galactic-empire · demons
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Fleet of Worlds
by Larry Niven
3.89 · 74 ratings
space-opera · space-travel · sci-fi · space · violent-conflict · adult · space-fleet · military · audiobook · book · hard-sci-fi · aliens · exploration · fiction · solar-system · action-adventure · politics · political-intrigue · conspiracies · suspense
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Star Guardians
by Ruby Lionsdrake
4.12 · 95 ratings
sci-fi · adult · book · romance · aliens · fiction · action-adventure · soldiers · space · steamy · space-opera · paranormal · military · humor · space-travel · alpha-mc · female-author · exploration · enemies-to-lovers · space-fleet
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Claimings
by Lyn Gala
4.17 · 63 ratings
aliens · fiction · age-gap · lgbtq · adult · sci-fi · mlm · romance · steamy · book · audiobook · paranormal · action-adventure · slow-burn · military · violent-conflict · space · friends-to-lovers · futuristic · female-author
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Lords of the Var
by Michelle M. Pillow
4.09 · 74 ratings
paranormal · dragons · romance · shapeshifters · adult · aliens · fiction · action-adventure · audiobook · space · supernatural · urban-fantasy · royalty · book · steamy · sci-fi · space-opera · futuristic · alpha-mc · literary-fiction
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Scrapyard Ship
by Mark Wayne McGinnis
4.09 · 84 ratings
violent-conflict · space · adult · audiobook · military · space-opera · sci-fi · action-adventure · aliens · fiction · book · space-fleet · invasion · first-contact · war · time-travel · hard-sci-fi
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Crimson Worlds
by Jay Allan
4.11 · 172 ratings
fiction · war · violent-conflict · adult · military · sci-fi · book · space · space-opera · soldiers · aliens · space-fleet · audiobook · first-contact · galactic-empire · action-adventure · exploration · invasion · space-travel · colonization
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Stryxian Alien Warriors
by Ella Blake
4.29 · 62 ratings
aliens · fiction · adult · sci-fi · book · romance · first-contact · violent-conflict · invasion · paranormal · action-adventure · humor · space-opera · historical · cyborgs · female-mc · fated-mates · military · space · galactic-empire
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Rise of the Empire
by Ivan Kal
4.37 · 91 ratings
aliens · fiction · book · space · adult · space-fleet · military · violent-conflict · litrpg · space-opera · sci-fi · colonization · genetic-engineering · space-travel · war · invasion · galactic-empire · royalty · action-adventure · first-contact
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Star Force: Phase 2
by Aer-ki Jyr
4.42 · 262 ratings
aliens · action-adventure · fiction · military · violent-conflict · sci-fi · space-opera · book · space · space-fleet · galactic-empire · adult · soldiers · invasion · colonization · exploration · space-travel · young-adult · immortality · dystopia
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Gateway to the Galaxy
by Jonathan Yanez
4.23 · 36 ratings
fiction · sci-fi · military · adult · violent-conflict · humor · super-powered · soldiers · space-opera · space · aliens · first-contact · invasion · book · supernatural · colonization · galactic-empire · action-adventure · space-fleet · genetic-engineering
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The Catherine Kimbridge Chronicles
by Andrew Beery
4.02 · 50 ratings
military · space · violent-conflict · sci-fi · fiction · book · space-opera · action-adventure · space-fleet · soldiers · adult · aliens · female-mc · young-adult · super-powered · time-travel · war · children-books · historical · invasion
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Team Eight: Origins
by Viola Grace
4.20 · 25 ratings
adult · book · supernatural · action-adventure · aliens · fiction · space-opera · futuristic · sci-fi · cyborgs · paranormal · shapeshifters · space · romance · psychics · fantasy
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The Old Ways
by Corin Cain
4.25 · 12 ratings
romance · adult · book · reverse-harem · aliens · sci-fi · fiction · space-opera · polyamory · fated-mates · steamy · action-adventure · royalty · paranormal · military · fantasy · omegaverse · alpha-mc
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Cygnus
by Craig Martelle
4.29 · 14 ratings
action-adventure · fiction · sci-fi · space-opera · military · space-fleet · adult · book · aliens · ai · violent-conflict · space · genetic-engineering · soldiers · exploration · space-travel · first-contact · invasion · dystopia · anthologies
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Fated Mates of the Varool
by Krista Luna
4.28 · 32 ratings
fiction · aliens · adult · humor · sci-fi · action-adventure · romance · violent-conflict · invasion · fated-mates · space-travel · space-opera · genetic-engineering · paranormal · female-mc · military · soldiers · book · fantasy · comics
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Valiant Knox
by Jess Anastasi
4.00 · 12 ratings
romance · adult · book · space · futuristic · war · action-adventure · fiction · sci-fi · space-opera · military · violent-conflict · killer · suspense · steamy · contemporary · aliens · dark · mental-illness · kidnapping
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Corwint Central Agent Files
by C.E. Kilgore
3.90 · 20 ratings
adult · space-opera · fiction · book · sci-fi · aliens · romance · galactic-empire · supernatural · action-adventure · paranormal · space · futuristic · cyborgs · mlm · steamy · transhumanism · crime · military · ai
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Nel Bently
by V.S. Holmes
4.00 · 5 ratings
lgbtq · book · sci-fi · fiction · action-adventure · adult · violent-conflict · invasion · aliens · mystery · hard-sci-fi · space-opera · first-contact · wlw · family · space · ancient-civilization · female-mc · lesbian-mc · paranormal
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