Cap Kennedy
by Gregory Kern
3.13 · 16 ratings
adult · fiction · sci-fi · book · space-opera · first-contact · action-adventure · children · 20th-century · space · historical
Cap Kennedy: Similar series
Bobiverse
by Dennis E. Taylor
4.36 · 224 ratings
space-opera · sci-fi · fiction · space · audiobook · book · space-travel · comedy · exploration · action-adventure · humor · aliens · dystopia · ai · post-apocalyptic · male-author · violent-conflict · hard-sci-fi · transhumanism · adult
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Space Odyssey
by Arthur C. Clarke
3.89 · 179 ratings
sci-fi · fiction · book · first-contact · adult · space-opera · space-travel · 20th-century · action-adventure · aliens · exploration · hard-sci-fi · audiobook · space · literary · ai · classics · historical · futuristic · mystery
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Catteni
by Anne McCaffrey
3.96 · 124 ratings
adult · invasion · romance · violent-conflict · female-author · first-contact · space-opera · space-travel · sci-fi · aliens · fiction · action-adventure · futuristic · dystopia · space · audiobook · colonization · other-world · female-mc · survival
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Firefall
by Peter Watts
3.91 · 96 ratings
aliens · fiction · hard-sci-fi · first-contact · horror · adult · sci-fi · book · 21st-century · action-adventure · mystery · space-opera · audiobook · cyberpunk · dystopia · space · spirituality · military · male-author · violent-conflict
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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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Junkyard Pirate
by Jamie McFarlane
4.43 · 101 ratings
aliens · fiction · sci-fi · book · invasion · adult · violent-conflict · space · first-contact · military · space-opera · colonization · soldiers · action-adventure · audiobook · humor · exploration · space-travel · outlaws · galactic-empire
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Chanur
by C.J. Cherryh
4.10 · 105 ratings
space · cats · space-opera · sci-fi · adult · animals · aliens · fiction · invasion · violent-conflict · first-contact · female-author · action-adventure · audiobook · book · hard-sci-fi · anthologies · box-set · female-mc · literary
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Rise of the Jain
by Neal Asher
4.20 · 44 ratings
space · ai · book · invasion · violent-conflict · space-fleet · adult · military · first-contact · space-opera · soldiers · sci-fi · action-adventure · aliens · fiction · hard-sci-fi · audiobook · technothriller · mystery · investigator
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Legacy Ship Trilogy
by Nick Webb
4.23 · 44 ratings
book · first-contact · technothriller · invasion · action-adventure · aliens · exploration · fiction · colonization · supernatural · space-travel · space-opera · galactic-empire · soldiers · sci-fi · violent-conflict · space · space-fleet · adult · audiobook
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In Her Name
by Michael R. Hicks
4.23 · 161 ratings
military · violent-conflict · sci-fi · space-opera · aliens · fiction · space · galactic-empire · first-contact · adult · invasion · book · action-adventure · war · epic · space-travel · warriors · dystopia · romance · post-apocalyptic
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Alex Benedict
by Jack McDevitt
3.75 · 137 ratings
fiction · action-adventure · adult · space-opera · sci-fi · book · space · audiobook · mystery · hard-sci-fi · aliens · first-contact · time-travel · crime · violent-conflict · military · space-travel · suspense · male-author · law-enforcement
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Star Trek: The Next Generation - The Second Decade
by J.M. Dillard
3.73 · 51 ratings
space-opera · sci-fi · violent-conflict · adult · genetic-engineering · military · first-contact · book · invasion · action-adventure · aliens · fiction · space · journey · travel · hard-sci-fi
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The Damned
by Alan Dean Foster
3.71 · 45 ratings
fiction · adult · space · violent-conflict · military · audiobook · space-opera · sci-fi · aliens · action-adventure · war · philosophy · book · invasion · anthologies · first-contact · box-set · soldiers · classics · genetic-engineering
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Exile
by Glynn Stewart
4.31 · 42 ratings
sci-fi · exploration · fiction · action-adventure · book · space-fleet · adult · violent-conflict · space · military · space-travel · space-opera · aliens · war · invasion · audiobook · first-contact · galactic-empire · ai · angst
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The Henry Gallant Saga
by H. Peter Alesso
4.05 · 58 ratings
galactic-empire · action-adventure · aliens · fiction · invasion · book · time-travel · military · genetic-engineering · violent-conflict · space-fleet · sci-fi · space-opera · colonization · first-contact · war · space · adult · young-adult · paranormal
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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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Animus
by Joshua Anderle
4.37 · 94 ratings
action-adventure · aliens · fiction · invasion · book · first-contact · violent-conflict · sci-fi · space-opera · audiobook · litrpg · young-adult · adult · virtual-reality · urban-fantasy · humor · dungeons-dragons · war · military · colonization
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Carson Mach Adventures
by A.C. Hadfield
3.79 · 24 ratings
aliens · fiction · soldiers · sci-fi · space-opera · galactic-empire · audiobook · military · first-contact · genetic-engineering · space · space-fleet · adult · invasion · violent-conflict · futuristic · book · colonization · action-adventure · ai
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The Pax Humana Saga
by Endi Webb
3.97 · 34 ratings
fiction · sci-fi · aliens · military · violent-conflict · space-fleet · adult · soldiers · space-opera · colonization · book · space · galactic-empire · genetic-engineering · action-adventure · exploration · first-contact · space-travel · supernatural · invasion
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Infinity's End
by Eric Warren
4.25 · 52 ratings
space-opera · fiction · book · military · violent-conflict · space · space-fleet · adult · sci-fi · audiobook · space-travel · action-adventure · galactic-empire · humor · first-contact · aliens · invasion · lgbtq · time-travel · dystopia
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Unexpected
by Layla Stone
4.06 · 18 ratings
romance · book · paranormal · futuristic · aliens · fiction · sci-fi · adult · invasion · colonization · action-adventure · space-opera · first-contact · violent-conflict · kidnapping · steamy · abuse · galactic-empire · genetic-engineering · poc-mc
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Olympia Alien Mail Order Brides
by K. Cantrell
3.75 · 16 ratings
romance · aliens · fiction · sci-fi · genetic-engineering · adult · book · action-adventure · paranormal · space-opera · military · steamy · fantasy · contemporary · first-contact · anthologies · abuse · box-set · humor · suspense
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Shadows of the Void
by J.J. Green
3.80 · 10 ratings
violent-conflict · book · super-powered · fiction · sci-fi · space-opera · military · genetic-engineering · space · space-fleet · adult · invasion · action-adventure · aliens · first-contact · cyberpunk · time-travel · colonization · supernatural · young-adult
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The Amaranthine Spectrum
by Tom Toner
3.44 · 9 ratings
space-opera · sci-fi · evolution · epic · far-future · historical · adult · space · military · book · steampunk · sword-sorcery · industrial-era · invasion · violent-conflict · futuristic · action-adventure · aliens · fiction · male-author
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