Sheriff Duke
by M.R. Forbes
4.30 · 10 ratings
western · fiction · invasion · aliens · futuristic · book · apocalyptic · post-apocalyptic · industrial-era · military · genetic-engineering · violent-conflict · historical · adult · dystopia · sci-fi
Sheriff Duke: Similar series
The Second Dark Ages
by Michael Anderle
4.53 · 88 ratings
adult · sci-fi · action-adventure · fiction · genetic-engineering · paranormal · post-apocalyptic · book · violent-conflict · aliens · apocalyptic · dystopia · vampires · urban-fantasy · shapeshifters · military · audiobook · first-contact · space · suspense
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Theirs Not to Reason Why
by Jean Johnson
4.07 · 88 ratings
invasion · time-travel · book · paranormal · space · futuristic · war · female-mc · aliens · action-adventure · fiction · soldiers · sci-fi · space-travel · space-opera · first-contact · military · magic · adult · violent-conflict
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The Forgotten
by M.R. Forbes
4.15 · 48 ratings
sci-fi · space · genetic-engineering · adult · dystopia · military · audiobook · space-fleet · apocalyptic · book · violent-conflict · invasion · post-apocalyptic · action-adventure · aliens · fiction · space-opera · political-intrigue · conspiracies · war
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Hell Squad
by Anna Hackett
4.33 · 323 ratings
dystopia · invasion · romance · military · adult · violent-conflict · sci-fi · female-mc · fiction · action-adventure · aliens · futuristic · post-apocalyptic · alpha-mc · book · steamy · war · apocalyptic · urban-fantasy · audiobook
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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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Forgotten Earth
by M.R. Forbes
4.39 · 55 ratings
ai · galactic-empire · soldiers · sci-fi · genetic-engineering · space · violent-conflict · adult · dystopia · military · first-contact · book · apocalyptic · invasion · futuristic · post-apocalyptic · aliens · fiction · audiobook · space-opera
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Indian Hill
by Mark Tufo
4.49 · 102 ratings
sci-fi · first-contact · adult · violent-conflict · aliens · fiction · post-apocalyptic · invasion · book · soldiers · military · space-travel · space-fleet · exploration · action-adventure · zombies · audiobook · space · colonization · space-opera
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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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AL:ICE
by Charles W. Lamb
4.13 · 46 ratings
aliens · fiction · soldiers · space-opera · sci-fi · audiobook · military · first-contact · litrpg · space · violent-conflict · dystopia · invasion · adult · book · apocalyptic · time-travel · harem · action-adventure · paranormal
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Rebellion
by M.R. Forbes
4.21 · 34 ratings
space-opera · soldiers · sci-fi · adult · dystopia · space · genetic-engineering · first-contact · space-fleet · military · audiobook · violent-conflict · war · apocalyptic · book · post-apocalyptic · invasion · aliens · fiction · futuristic
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The New World
by G. Michael Hopf
4.01 · 76 ratings
dystopia · apocalyptic · action-adventure · fiction · sci-fi · adult · post-apocalyptic · book · survival · industrial-era · historical · western · soldiers · military · violent-conflict · war · zombies · politics · political-intrigue · audiobook
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Plague Wars
by David VanDyke
4.02 · 130 ratings
sci-fi · violent-conflict · adult · apocalyptic · fiction · post-apocalyptic · book · military · genetic-engineering · horror · action-adventure · aliens · invasion · first-contact · dystopia · technothriller · space-opera · war · epidemy · disaster
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Forgotten Vengeance
by M.R. Forbes
4.49 · 31 ratings
fiction · aliens · book · invasion · futuristic · post-apocalyptic · space · genetic-engineering · adult · dystopia · military · violent-conflict · first-contact · space-opera · ai · galactic-empire · soldiers · sci-fi · apocalyptic · audiobook
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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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Forgotten Fallout
by M.R. Forbes
4.48 · 30 ratings
aliens · fiction · book · apocalyptic · invasion · post-apocalyptic · genetic-engineering · futuristic · space · adult · dystopia · military · violent-conflict · first-contact · ai · soldiers · sci-fi · mystery · western · industrial-era
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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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Janitors of the Post-Apocalypse
by Jim C. Hines
4.11 · 27 ratings
dystopia · post-apocalyptic · book · military · adult · violent-conflict · sci-fi · humor · fiction · apocalyptic · audiobook · genetic-engineering · space · zombies · ai · first-contact · horror · male-author · satire · comedy
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Broken Worlds
by Jasper T. Scott
4.05 · 22 ratings
galactic-empire · cyberpunk · dystopia · genetic-engineering · space · invasion · soldiers · historical · adult · space-fleet · violent-conflict · sci-fi · first-contact · military · industrial-era · steampunk · aliens · fiction · book · supernatural
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The Harvesters
by Luke R. Mitchell
4.12 · 26 ratings
dystopia · audiobook · book · post-apocalyptic · invasion · adult · violent-conflict · sci-fi · aliens · action-adventure · fiction · apocalyptic · genetic-engineering · ai · humor · super-powered · space · galactic-empire · male-mc · military
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The Movement Trilogy
by Jason Gurley
3.67 · 25 ratings
adult · book · fiction · sci-fi · post-apocalyptic · aliens · dystopia · invasion · futuristic · cyberpunk · apocalyptic · space-fleet · colonization · supernatural · violent-conflict · exploration · soldiers · space-opera · space-travel · galactic-empire
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Alien Quarantine Rescue
by Robin Lovett
3.62 · 21 ratings
steamy · book · post-apocalyptic · romance · alpha-mc · humor · aliens · fiction · apocalyptic · futuristic · fated-mates · adult · first-contact · sci-fi · invasion · space · dystopia · paranormal · womens-fiction · violent-conflict
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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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The Great Iron War
by Dean F. Wilson
3.86 · 14 ratings
action-adventure · fiction · steampunk · book · industrial-era · dystopia · historical · sci-fi · alternate-history · lgbtq · war · post-apocalyptic · violent-conflict · adult · aliens · invasion · military · western · colonization · female-mc
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Glass and Iron
by Monica Enderle Pierce
3.80 · 10 ratings
fiction · dystopia · genetic-engineering · invasion · post-apocalyptic · romance · book · sci-fi · violent-conflict · futuristic · aliens · paranormal · galactic-empire · alpha-mc · children · military · adult · apocalyptic · female-mc · action-adventure
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