Outlander: Similar series
Force Heretic
by Sean Williams
3.67 · 89 ratings
action-adventure · sci-fi · space-opera · military · audiobook · adult · space · male-author · violent-conflict · invasion · war · aliens · fiction · mystery · book · comics · literary · historical · anthologies · industrial-era
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Fallen Empire
by Lindsay Buroker
4.19 · 315 ratings
space-opera · adult · action-adventure · fiction · sci-fi · space · book · romance · military · cyborgs · audiobook · space-fleet · female-author · galactic-empire · space-travel · exploration · humor · futuristic · female-mc · aliens
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Star Wars: The Han Solo Trilogy
by A.C. Crispin
3.90 · 70 ratings
audiobook · space-opera · sci-fi · action-adventure · fiction · violent-conflict · space · female-author · literary · aliens · classics · war · adult · military · young-adult · mystery · book · anthologies · university · box-set
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The Ember War Saga
by Richard Fox
4.25 · 170 ratings
space-opera · soldiers · sci-fi · space · violent-conflict · adult · military · audiobook · space-fleet · book · war · invasion · aliens · fiction · action-adventure · ai · dystopia · cyborgs · galactic-empire · post-apocalyptic
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Area 51
by Bob Mayer
3.95 · 192 ratings
paranormal · book · sci-fi · violent-conflict · adult · first-contact · war · action-adventure · aliens · fiction · military · audiobook · soldiers · political-intrigue · conspiracies · technothriller · supernatural · mystery · alternate-history · 21st-century
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Skylark
by E.E. "Doc" Smith
3.80 · 50 ratings
space · adult · literary · space-opera · sci-fi · fiction · classics · action-adventure · book · pulp · single-planet · male-author · space-fleet · contemporary · audiobook · military · violent-conflict · golden-age-mystery · aliens · literary-fiction
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Geostorm
by Bobby Akart
4.51 · 71 ratings
disaster · dystopia · book · apocalyptic · hard-sci-fi · post-apocalyptic · technothriller · action-adventure · fiction · sci-fi · audiobook · horror · survival · adult · male-mc · literary-fiction · suspense · natural-disaster · historical-fiction · family
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Empire Rising
by D.J. Holmes
4.49 · 102 ratings
exploration · fiction · soldiers · sci-fi · space-opera · space-travel · military · space · violent-conflict · adult · space-fleet · book · galactic-empire · colonization · action-adventure · invasion · war · aliens · suspense · audiobook
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Galactogon
by Vasily Mahanenko
4.17 · 24 ratings
audiobook · book · fiction · galactic-empire · space-opera · sci-fi · adult · space-fleet · space · violent-conflict · litrpg · cyberpunk · military · first-contact · invasion · aliens · action-adventure · colonization · space-travel · soldiers
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Z-Burbia
by Jake Bible
4.17 · 48 ratings
apocalyptic · monsters · horror · audiobook · adult · zombies · sci-fi · fiction · humor · post-apocalyptic · book · dystopia · survival · paranormal · urban-fantasy · action-adventure · comedy · disaster
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Supreme Constellations
by Gun Brooke
4.07 · 31 ratings
adult · romance · space-opera · fiction · sci-fi · action-adventure · lgbtq · wlw · book · space · contemporary · suspense · age-gap · steamy · audiobook · military · enemies-to-lovers · lesbian-mc · soldiers · outlaws
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Catalyst
by J.K. Franks
4.40 · 20 ratings
action-adventure · sci-fi · adult · survival · post-apocalyptic · apocalyptic · book · fiction · zombies · military · audiobook · genetic-engineering · violent-conflict · dystopia · hard-sci-fi · crime · literary-fiction · humor · politics · disaster
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Alien Slave Masters
by Samantha Cayto
3.76 · 36 ratings
enemies-to-lovers · dystopia · space · book · steamy · captivity · romance · mlm · abuse · dark · sci-fi · adult · lgbtq · sexual-assault · futuristic · aliens · fiction · slavery · military · action-adventure
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Plymouth Falls Shifters
by Riley Storm
4.54 · 24 ratings
shapeshifters · romance · fiction · paranormal · adult · book · fantasy · box-set · sci-fi · steamy · gothic · anthologies · warriors · royalty · ghosts · urban-fantasy · psychics · angels · supernatural · dragons
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Masters of Mayhem
by Renee Rocco
4.29 · 14 ratings
suspense · anti-hero · contemporary · book · steamy · organized-crime · romance · abuse · biker · dark · adult · crime · fiction · dystopia · forced-proximity · alpha-mc · mental-illness · new-adult · sci-fi · slow-burn
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Survivors Heart
by Debbie Cassidy
3.92 · 13 ratings
adult · aliens · dark · fiction · book · reverse-harem · sci-fi · romance · horror · action-adventure · space-opera · polyamory · steamy
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Bustlepunk Chronicles
by Jenny Schwartz
3.70 · 10 ratings
sci-fi · historical · adult · romance · industrial-era · steampunk · fiction · book · paranormal · holidays · historical-fiction · mystery · religion · audiobook · female-author · dystopia · male-mc · victorian · anthologies · domestic-drama
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The Companion Chronicles
by Martin Day
3.68 · 37 ratings
audiobook · adult · sci-fi · fiction · book · action-adventure · time-travel · historical-fiction · historical · myths · crime · arizona · germany · usa · western-central-europe · urban · europe · north-america
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Space Portal Vector
by A. Phallus Si
3.44 · 9 ratings
sci-fi · book · steamy · lgbtq · romance · fiction · mlm · aliens · space-opera · adult · futuristic · action-adventure · coming-of-age · comedy · alternate-universe · assassins · political-intrigue · incest · bdsm · space
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Cryo Crisis
by Deiri Di
4.09 · 22 ratings
sci-fi · adult · aliens · fiction · military · romance · steamy · book · violent-conflict · apocalyptic · action-adventure · humor · time-travel · first-contact · space-fleet · space · colonization · box-set · medical · galactic-empire
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Superluminary
by John C. Wright
4.00 · 8 ratings
adult · violent-conflict · sci-fi · fiction · book · male-author · space-opera · war · vampires · audiobook · military · box-set · soldiers · psychics · aliens · hard-sci-fi
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The Endure
by S.A. Huchton
4.00 · 4 ratings
book · fiction · contemporary · sci-fi · romance · new-adult · action-adventure · adult · young-adult · dystopia · military
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The Hunts
by Vardan Partamyan
4.83 · 6 ratings
action-adventure · adult · fiction · suspense · apocalyptic · sci-fi · book · dystopia · post-apocalyptic · anthologies
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