The Grand Human Empire
by John Wilker
4.00 · 6 ratings
book · lgbtq · industrial-era · action-adventure · western · aliens · fiction · colonization · mlm · space-travel · space-opera · galactic-empire · romantic-love · sci-fi · space · historical · adult
The Grand Human Empire: Similar series
Legacy Fleet Trilogy
by Nick Webb
4.10 · 89 ratings
action-adventure · supernatural · soldiers · sci-fi · galactic-empire · space-opera · first-contact · space-travel · military · audiobook · adult · space-fleet · space · violent-conflict · invasion · war · book · technothriller · colonization · exploration
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Undying Mercenaries
by B.V. Larson
4.28 · 383 ratings
war · aliens · soldiers · fiction · sci-fi · space-opera · military · violent-conflict · space-fleet · adult · invasion · book · colonization · galactic-empire · audiobook · space · first-contact · space-travel · hard-sci-fi · exploration
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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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Ascension Wars
by Jasper T. Scott
3.86 · 58 ratings
industrial-era · genetic-engineering · space · galactic-empire · colonization · supernatural · invasion · post-apocalyptic · book · military · first-contact · violent-conflict · historical · adult · space-fleet · soldiers · sci-fi · space-travel · exploration · fiction
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Blood on the Stars
by Jay Allan
4.33 · 243 ratings
fiction · aliens · exploration · first-contact · military · space-fleet · adult · violent-conflict · soldiers · sci-fi · space-travel · space-opera · invasion · book · space · galactic-empire · colonization · war · audiobook · action-adventure
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Drop Trooper
by Rick Partlow
4.38 · 152 ratings
military · space-fleet · adult · violent-conflict · soldiers · galactic-empire · colonization · aliens · fiction · invasion · book · space · sci-fi · space-travel · action-adventure · exploration · first-contact · space-opera · war · audiobook
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Hellhole Trilogy
by Brian Herbert
3.78 · 41 ratings
space · adult · military · audiobook · horror · violent-conflict · space-opera · space-travel · galactic-empire · sci-fi · action-adventure · exploration · fiction · aliens · colonization · book · male-author · space-fleet · drama · war
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Aurora Rising
by G.S. Jennsen
4.13 · 66 ratings
sci-fi · space-travel · space-opera · first-contact · military · fiction · action-adventure · galactic-empire · cyberpunk · colonization · space-fleet · violent-conflict · aliens · exploration · ai · space · romance · book · soldiers · adult
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Lost Starship
by Vaughn Heppner
4.24 · 155 ratings
military · space-fleet · adult · genetic-engineering · violent-conflict · soldiers · galactic-empire · space-opera · colonization · aliens · fiction · action-adventure · invasion · book · space · sci-fi · audiobook · space-travel · exploration · ai
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Dark Space
by Jasper T. Scott
3.84 · 82 ratings
invasion · space-fleet · book · galactic-empire · audiobook · space · fiction · aliens · sci-fi · space-opera · military · violent-conflict · adult · historical · supernatural · genetic-engineering · dystopia · cyberpunk · steampunk · industrial-era
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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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Interstellar Sheriff
by Jenny Schwartz
4.39 · 35 ratings
space-opera · sci-fi · adult · historical · industrial-era · crime · action-adventure · fiction · aliens · female-mc · galactic-empire · space · book · western · space-travel · violent-conflict · futuristic · humor · ai · invasion
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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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Forsaken Mercenary
by Jonathan Yanez
4.37 · 101 ratings
book · space · action-adventure · fiction · sci-fi · adult · post-apocalyptic · colonization · violent-conflict · genetic-engineering · cyberpunk · space-opera · historical · invasion · steampunk · industrial-era · aliens · first-contact · supernatural · soldiers
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Shamans & Shifters Space Opera
by Jenny Schwartz
4.33 · 46 ratings
romance · shapeshifters · book · paranormal · space · aliens · fiction · action-adventure · sci-fi · space-travel · space-opera · first-contact · adult · futuristic · outlaws · space-fleet · magic · fae · colonization · galactic-empire
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Starcaster
by J.N. Chaney
4.39 · 38 ratings
space-travel · space-opera · galactic-empire · genetic-engineering · violent-conflict · historical · adult · military · first-contact · book · steampunk · industrial-era · action-adventure · exploration · fiction · audiobook · fantasy · sci-fi · space · invasion
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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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The Delphic Dame
by Jenny Schwartz
4.33 · 21 ratings
first-contact · adult · sci-fi · space-travel · space-opera · exploration · fiction · aliens · super-powered · space · galactic-empire · colonization · book · violent-conflict · action-adventure · cyberpunk · supernatural · invasion · outlaws · futuristic
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Anniversary Day Saga
by Kristine Kathryn Rusch
3.98 · 52 ratings
action-adventure · mystery · aliens · fiction · book · crime · audiobook · space · adult · sci-fi · space-opera · colonization · exploration · first-contact · genetic-engineering · space-travel · galactic-empire · female-author · noir · investigator
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The Pike Chronicles
by G.P. Hudson
4.00 · 26 ratings
fiction · action-adventure · soldiers · galactic-empire · sci-fi · space-travel · space-opera · first-contact · military · adult · violent-conflict · space · invasion · book · colonization · aliens · exploration · supernatural
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The Eurynome Code
by K. Gorman
4.27 · 22 ratings
adult · book · space · fiction · sci-fi · space-opera · military · female-author · violent-conflict · first-contact · space-fleet · colonization · galactic-empire · audiobook · genetic-engineering · female-mc · action-adventure · aliens · soldiers · space-travel
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Starfire
by Spencer Ellsworth
3.81 · 16 ratings
galactic-empire · space-opera · sci-fi · adult · space-fleet · space · violent-conflict · military · audiobook · lgbtq · book · invasion · aliens · fiction · colonization · new-adult · action-adventure
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Lunar Free State
by John E. Siers
4.40 · 15 ratings
literary-fiction · book · invasion · aliens · exploration · fiction · action-adventure · colonization · galactic-empire · space-opera · space-travel · soldiers · sci-fi · space-fleet · space · violent-conflict · first-contact · military · war · adult
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The Nova Chronicles
by Saff
3.67 · 18 ratings
book · space · exploration · fiction · action-adventure · female-mc · space-travel · space-opera · sci-fi · adult · western · industrial-era · historical · first-contact · invasion · supernatural · aliens · violent-conflict · colonization · military
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