Perry Rhodan - Sternengruft: Similar romance series

Remembrance of Earth's Past

by Liu Cixin

4.28 · 248 ratings

sci-fi · adult · hard-sci-fi · aliens · fiction · space · audiobook · space-opera · violent-conflict · philosophy · dystopia · contemporary · poc-author · invasion · epic · male-author · first-contact · apocalyptic · war · action-adventure

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Star Wars: Thrawn Ascendancy

by Timothy Zahn

4.27 · 105 ratings

military · book · aliens · action-adventure · fiction · galactic-empire · space-opera · sci-fi · space-fleet · adult · violent-conflict · space · audiobook · male-mc · war · far-away-galaxy

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Sirantha Jax

by Ann Aguirre

3.89 · 181 ratings

aliens · fiction · action-adventure · female-mc · futuristic · military · space-opera · sci-fi · urban-fantasy · book · romance · space · alpha-mc · paranormal · space-travel · dystopia · audiobook · mystery · psychics · war

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Star Wars: Clone Wars

by Jude Watson

3.79 · 165 ratings

sci-fi · space-opera · action-adventure · fiction · audiobook · violent-conflict · adult · far-away-galaxy · war · space · literary · classics · book · military · anthologies · female-author · male-author · magic · journey · travel

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ConSentiency Universe

by Frank Herbert

3.76 · 59 ratings

adult · sci-fi · fiction · aliens · space · violent-conflict · audiobook · galactic-empire · space-opera · mystery · book · hard-sci-fi · anthologies · dystopia · first-contact · invasion · high-school · literary · politics · philosophy

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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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Entire and the Rose

by Kay Kenyon

3.78 · 47 ratings

aliens · fiction · paranormal · sci-fi · space-opera · audiobook · adult · action-adventure · anthologies · futuristic · book · lgbtq · soldiers · military · first-contact · space-fleet · genetic-engineering · hard-sci-fi · colonization · alternate-universe

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Cheela

by Robert L. Forward

4.11 · 35 ratings

sci-fi · adult · book · hard-sci-fi · fiction · dragons · space-opera · space · audiobook · first-contact · literary · box-set · xenofiction · violent-conflict · dystopia · technology · university · invasion · action-adventure · aliens

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Survival Wars

by Anthony James

4.36 · 58 ratings

adult · book · exploration · fiction · soldiers · sci-fi · space-travel · space-opera · military · violent-conflict · space · space-fleet · aliens · futuristic · action-adventure · mystery · war

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Saving Caeorleia

by Alicia Nordwell

3.96 · 26 ratings

military · adult · dark · sci-fi · aliens · fiction · action-adventure · futuristic · lgbtq · dystopia · mlm · abuse · romance · book · steamy · violent-conflict · space-opera · war · family · space

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Dawn of Fire

by Guy Haley

3.97 · 37 ratings

space · exploration · fiction · soldiers · sci-fi · military · space-fleet · adult · violent-conflict · book · genetic-engineering · grim-dark · aliens · action-adventure · first-contact · invasion · colonization · galactic-empire · space-opera · audiobook

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Heart of the Nebula

by Heather Long

4.12 · 22 ratings

book · polyamory · adult · sci-fi · space-opera · aliens · fiction · royalty · romance · reverse-harem · paranormal · new-adult · fated-mates · contemporary · magic · robots · steamy

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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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Family d'Alembert

by E.E. "Doc" Smith

3.70 · 56 ratings

book · action-adventure · fiction · sci-fi · space-opera · adult · space · espionage · young-adult · political-intrigue · classics · mystery · literary · crime · pulp

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Stargazer Alien Space Cruise Brides

by Tasha Black

4.19 · 16 ratings

space-opera · paranormal · sci-fi · adult · book · romance · aliens · fiction · insta-love · shapeshifters · fantasy · suspense · steamy · fated-mates · action-adventure

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Star Crusades Nexus

by Michael G. Thomas

3.90 · 51 ratings

book · fiction · action-adventure · space-opera · adult · violent-conflict · sci-fi · military · invasion · aliens · exploration · super-powered · galactic-empire · space-travel · soldiers · space-fleet · space · first-contact · box-set

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Zone Cyborgs

by Jessica Marting

4.00 · 8 ratings

genetic-engineering · adult · cyberpunk · sci-fi · fiction · book · romance · space-opera · aliens · space · cyborgs · contemporary · military · dark · action-adventure · steamy

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