Three Kings
by Jack L. Chalker
3.67 · 9 ratings
fiction · sci-fi · book · space-opera · adult · action-adventure · religion · space · violent-conflict · war · contemporary · spirituality
Three Kings: Similar series
Angel in the Whirlwind
by Christopher G. Nuttall
4.15 · 97 ratings
female-mc · fiction · action-adventure · war · book · military · audiobook · space-fleet · space · violent-conflict · sci-fi · galactic-empire · space-opera · space-travel · adult · soldiers · alternate-history · royalty · young-adult · suspense
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Dinosaur Planet
by Anne McCaffrey
3.69 · 66 ratings
space · adult · audiobook · sci-fi · action-adventure · fiction · book · animals · futuristic · space-travel · literary · space-opera · mystery · aliens · classics · outlaws · other-world · exploration · survival · box-set
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Mars Trilogy
by Kim Stanley Robinson
3.87 · 132 ratings
sci-fi · adult · fiction · hard-sci-fi · mars · space · space-opera · space-travel · action-adventure · exploration · audiobook · book · 20th-century · epic · male-author · historical · violent-conflict · technology · war · futuristic
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Phule's Company
by Robert Lynn Asprin
3.84 · 124 ratings
comedy · space-travel · space-opera · soldiers · sci-fi · violent-conflict · military · war · humor · fiction · exploration · space · audiobook · book · adult · space-fleet · first-contact · aliens · invasion · colonization
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Uplift Storm Trilogy
by David Brin
3.88 · 59 ratings
space-opera · sci-fi · adult · male-author · space · violent-conflict · first-contact · audiobook · book · hard-sci-fi · invasion · aliens · fiction · action-adventure · politics · war
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Empire of Man
by David Weber
4.28 · 114 ratings
war · action-adventure · fiction · space-opera · sci-fi · space · violent-conflict · adult · military · audiobook · book · hard-sci-fi · aliens · politics · futuristic · epic · survival · galactic-empire · male-author · first-contact
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The Empire of Isher
by A.E. van Vogt
3.92 · 57 ratings
adult · action-adventure · fiction · sci-fi · space-opera · hard-sci-fi · dystopia · book · classics · literary · space · anthologies · war · time-travel · pulp · box-set · immortality · audiobook · violent-conflict
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Heroes of Dune
by Brian Herbert
3.76 · 55 ratings
space · audiobook · space-opera · galactic-empire · sci-fi · action-adventure · fiction · book · futuristic · adult · epic · religion · spirituality · colonization · 21st-century · political-intrigue · philosophy · literary · young-adult · classics
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Perimeter Defense
by Michael Atamanov
4.15 · 46 ratings
military · violent-conflict · adult · ancient-china · sci-fi · space-fleet · space-opera · fiction · audiobook · litrpg · space · cyberpunk · virtual-reality · wuxia · ancient-civilization · book · ai · galactic-empire · colonization · historical
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Founding of the Commonwealth
by Alan Dean Foster
3.81 · 43 ratings
book · sci-fi · adult · fiction · space-opera · aliens · action-adventure · space · literary · classics · box-set
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Fenris
by Vaughn Heppner
3.93 · 30 ratings
colonization · action-adventure · aliens · fiction · invasion · book · audiobook · military · first-contact · violent-conflict · space · space-fleet · adult · soldiers · sci-fi · space-travel · space-opera · galactic-empire · ai · psychics
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First Salik War
by Jean Johnson
4.00 · 28 ratings
space · paranormal · book · invasion · adult · magic · romance · violent-conflict · first-contact · military · space-opera · sci-fi · fiction · aliens · action-adventure · female-mc · war · dystopia · cyberpunk · politics
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Steven Gordon
by J.W. Murison
4.19 · 26 ratings
aliens · fiction · action-adventure · book · first-contact · space-opera · sci-fi · adult · violent-conflict · military · young-adult · war · male-mc · space · space-travel
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Exodus: Empires at War
by Doug Dandridge
4.21 · 124 ratings
violent-conflict · invasion · book · action-adventure · aliens · fiction · sci-fi · space-opera · military · space · adult · war · genetic-engineering · royalty · space-travel · audiobook · galactic-empire · space-fleet · dystopia · post-apocalyptic
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Century Next Door
by John Barnes
3.76 · 33 ratings
sci-fi · book · fiction · cyberpunk · dystopia · action-adventure · young-adult · space-opera · adult · paranormal · soldiers · coming-of-age · mars · audiobook · military · space · violent-conflict · post-apocalyptic · hard-sci-fi · time-travel
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Cold as Ice
by Charles Sheffield
3.75 · 20 ratings
fiction · adult · hard-sci-fi · audiobook · space-opera · sci-fi · action-adventure · mystery · book · space · aliens · colonization · apocalyptic · technothriller · anthologies · invasion · first-contact · violent-conflict · space-travel
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Lacuna
by David Adams
3.72 · 25 ratings
aliens · exploration · fiction · invasion · book · first-contact · military · space-fleet · adult · violent-conflict · space · sci-fi · space-travel · earth · space-opera · action-adventure · war · apocalyptic · epic · post-apocalyptic
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There Goes the Galaxy
by Jenn Thorson
3.94 · 16 ratings
book · space-opera · sci-fi · action-adventure · adult · fiction · humor · satire · suspense · 21st-century · comedy · mystery
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Audacity Saga
by R.K. Thorne
4.36 · 14 ratings
supernatural · action-adventure · fiction · book · military · genetic-engineering · adult · soldiers · sci-fi · space-opera · romance · audiobook · space · galactic-empire · humor · religion · slow-burn · spirituality · futuristic · female-author
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Fractured Space
by J.G. Cressey
4.17 · 18 ratings
military · violent-conflict · space-fleet · soldiers · sci-fi · action-adventure · aliens · fiction · book · audiobook · space · adult · space-opera · galactic-empire · colonization · humor · invasion · horror · crime · first-contact
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SODIUM
by Stephen Arseneault
3.90 · 21 ratings
book · adult · sci-fi · fiction · genetic-engineering · space · galactic-empire · invasion · post-apocalyptic · military · first-contact · violent-conflict · space-fleet · aliens · colonization · soldiers · space-travel · exploration · space-opera · action-adventure
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Aurora
by Amanda Bridgeman
4.08 · 13 ratings
book · fiction · sci-fi · space-opera · adult · action-adventure · military · violent-conflict · hard-sci-fi · romance · young-adult · soldiers · first-contact · genetic-engineering · space
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Star Trek: S.C.E.: What's Past
by Dayton Ward
3.80 · 10 ratings
action-adventure · fiction · space-opera · sci-fi · genetic-engineering · adult · book · space · invasion · aliens · violent-conflict · military · first-contact · anthologies · colonization · 21st-century
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Flyght
by S.J. Pajonas
4.15 · 13 ratings
space-opera · adult · book · action-adventure · fiction · colonization · reverse-harem · romance · sci-fi · polyamory · space · box-set · audiobook · dystopia · steamy · super-powered
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