The Doomsayer Journeys: Similar romance 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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Children of Time

by Adrian Tchaikovsky

4.18 · 100 ratings

space-travel · space-opera · sci-fi · violent-conflict · adult · first-contact · hard-sci-fi · action-adventure · aliens · fiction · ai · space · audiobook · book · epic · male-author · horror · animals · futuristic · exploration

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Red Dwarf

by Grant Naylor

4.06 · 126 ratings

space · audiobook · adult · comedy · satire · sci-fi · humor · fiction · book · action-adventure · contemporary · male-author · 20th-century · space-opera · aliens · robots · genetic-engineering · cyberpunk · time-travel · invasion

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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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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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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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Old Man's War

by John Scalzi

4.02 · 552 ratings

sci-fi · space-opera · fiction · space · audiobook · book · military · violent-conflict · adult · aliens · war · colonization · space-travel · action-adventure · humor · soldiers · exploration · genetic-engineering · galactic-empire · politics

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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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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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AI Reborn

by Isaac Hooke

4.10 · 36 ratings

space · violent-conflict · adult · cyberpunk · cyborgs · first-contact · military · space-fleet · ai · space-opera · space-travel · soldiers · sci-fi · aliens · exploration · colonization · fiction · apocalyptic · book · invasion

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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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The Terran Fleet Command Saga

by Tori L. Harris

4.29 · 69 ratings

aliens · exploration · colonization · fiction · book · technothriller · invasion · post-apocalyptic · genetic-engineering · space · space-fleet · adult · audiobook · military · violent-conflict · first-contact · space-travel · space-opera · galactic-empire · soldiers

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Galactic Empire Wars

by Raymond L. Weil

4.19 · 54 ratings

aliens · soldiers · exploration · fiction · space-travel · space-opera · galactic-empire · sci-fi · military · first-contact · violent-conflict · space · space-fleet · adult · invasion · book · colonization · action-adventure · post-apocalyptic · war

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Battle Harem

by Isaac Hooke

4.00 · 28 ratings

violent-conflict · space · cyberpunk · adult · space-fleet · military · first-contact · space-travel · space-opera · soldiers · sci-fi · action-adventure · aliens · exploration · colonization · fiction · harem · book · invasion · humor

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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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Freedom's Fire

by Bobby Adair

4.10 · 52 ratings

adult · invasion · book · colonization · aliens · exploration · fiction · epic · soldiers · space-travel · space-opera · galactic-empire · sci-fi · audiobook · military · first-contact · violent-conflict · space · space-fleet · dystopia

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Daedalus

by Michael J. Martinez

3.76 · 25 ratings

steampunk · space · invasion · time-travel · book · historical-fiction · historical · adult · violent-conflict · sci-fi · space-opera · alternate-history · aliens · exploration · fiction · action-adventure · industrial-era · audiobook · post-apocalyptic · first-contact

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Starcaster

by J.N. Chaney

4.39 · 38 ratings

space-travel · space-opera · galactic-empire · genetic-engineering · violent-conflict · historical · adult · military · first-contact · book · steampunk · industrial-era · action-adventure · exploration · fiction · audiobook · fantasy · sci-fi · space · invasion

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AMP

by Stephen Arseneault

4.04 · 48 ratings

space-travel · galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · exploration · fiction · colonization · soldiers · first-contact · invasion · futuristic · aliens · space-opera

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Universe on Fire

by Ivan Kal

4.29 · 21 ratings

fiction · soldiers · galactic-empire · space-opera · military · magic · adult · violent-conflict · book · space-travel · first-contact · space-fleet · invasion · aliens · exploration · action-adventure · paranormal · sci-fi · dragons · litrpg

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OMEGA

by Stephen Arseneault

4.08 · 36 ratings

galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · aliens · fiction · space-travel · soldiers · first-contact · invasion · futuristic · exploration · colonization · space-opera

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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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Hadron

by Stephen Arseneault

4.25 · 16 ratings

space-fleet · post-apocalyptic · invasion · violent-conflict · book · colonization · aliens · exploration · fiction · soldiers · sci-fi · space-travel · galactic-empire · military · first-contact · space · genetic-engineering · adult · hard-sci-fi · space-opera

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