Alex Raymond's Flash Gordon: Similar series
The Lost Stars
by Jack Campbell
4.07 · 100 ratings
fiction · sci-fi · space-opera · audiobook · military · adult · male-author · space · violent-conflict · war · book · aliens · action-adventure · politics · space-fleet · futuristic · exploration · space-travel · cyberpunk · angst
All books in this series ❯
Dock Five Universe
by Linnea Sinclair
3.82 · 78 ratings
action-adventure · fiction · futuristic · adult · sci-fi · space-opera · romance · book · audiobook · space · paranormal · aliens · military · psychics · family · space-travel · contemporary · suspense · outlaws · female-mc
All books in this series ❯
Warspite
by Christopher G. Nuttall
3.99 · 48 ratings
book · war · action-adventure · aliens · fiction · space-opera · sci-fi · space · violent-conflict · adult · military · audiobook · invasion · galactic-empire · soldiers · space-fleet · first-contact · post-apocalyptic · nautical
All books in this series ❯
The Spiral Wars
by Joel Shepherd
4.29 · 117 ratings
soldiers · sci-fi · space-opera · military · adult · space · violent-conflict · hard-sci-fi · book · fiction · ai · audiobook · war · aliens · action-adventure · litrpg · space-fleet · mystery · suspense · galactic-empire
All books in this series ❯
Argurma Salvager
by S.J. Sanders
4.09 · 43 ratings
romance · book · steamy · audiobook · cyborgs · paranormal · female-mc · aliens · action-adventure · fiction · futuristic · apocalyptic · monsters · adult · sci-fi · urban-fantasy · post-apocalyptic · dystopia · alpha-mc · new-adult
All books in this series ❯
Shadow of Terra
by Glynn Stewart
4.41 · 41 ratings
first-contact · audiobook · military · space-fleet · adult · violent-conflict · space · soldiers · galactic-empire · sci-fi · space-travel · space-opera · aliens · exploration · action-adventure · fiction · invasion · war · book
All books in this series ❯
Humanity's Fire
by Michael Cobley
3.50 · 63 ratings
space-opera · sci-fi · space · adult · book · action-adventure · fiction · violent-conflict · aliens · space-travel · epic · audiobook · invasion · male-author · military · war · futuristic · colonization · first-contact · dystopia
All books in this series ❯
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
All books in this series ❯
Cold Mark Saga
by Scarlett Dawn
3.79 · 70 ratings
sci-fi · reverse-harem · book · romance · dystopia · paranormal · aliens · fiction · polyamory · new-adult · harem · urban-fantasy · steamy · alpha-mc · space · suspense · futuristic · adult · action-adventure · love-triangle
All books in this series ❯
Star Trek: Totality
by William Shatner
3.79 · 28 ratings
action-adventure · aliens · fiction · invasion · book · military · violent-conflict · genetic-engineering · space · sci-fi · space-opera · audiobook · first-contact · adult · children-books · animals · female-author · magic · male-author
All books in this series ❯
The Terran Cycle
by Philip C. Quaintrell
4.23 · 26 ratings
fiction · sci-fi · audiobook · first-contact · violent-conflict · adult · invasion · book · aliens · space-opera · space · action-adventure · exploration · space-travel · galactic-empire · 21st-century · secrets · post-apocalyptic
All books in this series ❯
Star
by Susan Grant
3.97 · 69 ratings
romance · paranormal · aliens · fiction · sci-fi · adult · futuristic · book · action-adventure · steamy · galactic-empire · female-mc · space-opera · invasion · space · violent-conflict · first-contact · royalty · time-travel · anthologies
All books in this series ❯
Dark Monster Fantasy
by Cari Silverwood
3.62 · 25 ratings
dark · aliens · action-adventure · fiction · sci-fi · book · steamy · romance · adult · cyborgs · paranormal · humor · female-mc · monsters · futuristic · alpha-mc · sexual-assault · supernatural · shapeshifters · reverse-harem
All books in this series ❯
Lathar Mercenaries: Warborne
by Mina Carter
4.42 · 52 ratings
aliens · fiction · book · adult · sci-fi · romance · paranormal · steamy · action-adventure · military · female-mc · fated-mates · alpha-mc · cyborgs · insta-love · forced-proximity · warriors · futuristic · family · lgbtq
All books in this series ❯
War Mage Chronicles
by Charles R. Case
4.39 · 18 ratings
space · violent-conflict · invasion · lgbtq · book · literary-fiction · female-mc · aliens · action-adventure · fiction · epic · sci-fi · galactic-empire · space-opera · first-contact · military · magic · adult · young-adult · cyberpunk
All books in this series ❯
The Orphans Trilogy
by Sean Williams
3.69 · 16 ratings
exploration · fiction · sci-fi · space-travel · space-opera · violent-conflict · male-author · space · post-apocalyptic · invasion · book · aliens · action-adventure · adult · evolution · young-adult · military
All books in this series ❯
The Hunt
by A.M. Griffin
4.15 · 20 ratings
sci-fi · book · aliens · fiction · adult · romance · space-opera · kidnapping · space · paranormal · poc-mc · dark · royalty · steamy · action-adventure · angst · vampires · captivity · dystopia · anti-hero
All books in this series ❯
Interstellar Fated Mates of Quillon
by Vera Raye
4.44 · 9 ratings
galactic-empire · sci-fi · soldiers · violent-conflict · adult · space-fleet · military · first-contact · book · romance · invasion · humor · action-adventure · aliens · colonization · female-mc · fiction · paranormal · fated-mates
All books in this series ❯
Banished Alien Warriors
by Riley Onyx
3.89 · 9 ratings
action-adventure · fiction · adult · colonization · book · romance · sci-fi · aliens · fantasy · kidnapping · dark
All books in this series ❯
Revant Warriors
by Celeste Raye
3.91 · 11 ratings
fiction · adult · aliens · exploration · soldiers · sci-fi · space-travel · galactic-empire · military · first-contact · genetic-engineering · cyberpunk · invasion · space-fleet · violent-conflict · book · colonization · action-adventure · paranormal · romance
All books in this series ❯
Rescued by the Alien Mercenary
by Sonia Nova
4.11 · 9 ratings
fiction · book · romance · adult · military · sci-fi · aliens · soldiers · action-adventure · violent-conflict · paranormal · fantasy · invasion · first-contact
All books in this series ❯
Outer Settlement Agency
by Lyn Brittan
3.67 · 9 ratings
military · adult · sci-fi · aliens · action-adventure · fiction · romance · book · humor · paranormal · space-fleet · dystopia · galactic-empire · soldiers · space-opera · colonization · poc-mc · black-mc · billionaire · steamy
All books in this series ❯
Port Mercy
by Lexxie Couper
3.75 · 4 ratings
paranormal · action-adventure · aliens · fiction · steamy · book · adult · sci-fi · suspense · exploration · romance · futuristic · space-travel · galactic-empire · mystery · shapeshifters · space · military · dragons
All books in this series ❯
Angel-Wing Saga
by Brenna Lyons
3.67 · 3 ratings
military · steamy · romance · aliens · fiction · action-adventure · supernatural · angels · paranormal · adult · book · sci-fi · contemporary · fantasy · anthologies · alternate-history
All books in this series ❯