David Hagberg's Flash Gordon: Similar series
Man of War
by H. Paul Honsinger
4.18 · 97 ratings
action-adventure · fiction · book · war · violent-conflict · space · adult · audiobook · military · space-opera · sci-fi · aliens · nautical · space-fleet · friendship
All books in this series ❯
Omega Force
by Joshua Dalzelle
4.41 · 336 ratings
fiction · book · military · space · violent-conflict · adult · soldiers · space-fleet · sci-fi · space-opera · first-contact · action-adventure · aliens · audiobook · war · galactic-empire · futuristic · hard-sci-fi · epic · mystery
All books in this series ❯
Star Wars: The Old Republic
by Paul S. Kemp
3.88 · 89 ratings
action-adventure · fiction · far-away-galaxy · audiobook · space · sci-fi · space-opera · aliens · book · war · violent-conflict · adult · galactic-empire · military · journey · young-adult · contemporary · philosophy · male-author · male-mc
All books in this series ❯
The Uplift Saga
by David Brin
3.88 · 181 ratings
adult · sci-fi · fiction · space · space-opera · book · aliens · hard-sci-fi · audiobook · male-author · violent-conflict · action-adventure · first-contact · invasion · historical · 20th-century · war · animals · evolution · military
All books in this series ❯
Polity - stand alone
by Neal Asher
3.99 · 95 ratings
space-opera · sci-fi · adult · hard-sci-fi · action-adventure · fiction · ai · space · audiobook · violent-conflict · book · military · aliens · horror · war · cyberpunk · male-author · first-contact · technothriller · invasion
All books in this series ❯
Class 5
by Michelle Diener
4.16 · 125 ratings
ai · book · adult · sci-fi · fiction · space · romance · space-opera · military · aliens · action-adventure · galactic-empire · futuristic · female-mc · alpha-mc · multi-pov · audiobook · kidnapping · dark · paranormal
All books in this series ❯
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
All books in this series ❯
World of Kalquor
by Tracy St. John
3.99 · 258 ratings
steamy · adult · sci-fi · aliens · fiction · book · paranormal · romance · space · futuristic · polyamory · space-opera · action-adventure · alpha-mc · dystopia · mlm · reverse-harem · military · space-travel · dark
All books in this series ❯
Star Trek: The Dominion War
by John Vornholt
3.75 · 39 ratings
adult · book · war · fiction · sci-fi · action-adventure · violent-conflict · invasion · aliens · space-opera · military · genetic-engineering · space · mystery
All books in this series ❯
Star Trek: Vanguard
by David Mack
4.03 · 82 ratings
space-opera · action-adventure · fiction · adult · space · sci-fi · book · first-contact · genetic-engineering · aliens · invasion · military · violent-conflict · literary-fiction · war · journey · exploration · anthologies · audiobook · space-travel
All books in this series ❯
Big Sky Alien Mail Order Brides
by Elsa Jade
3.95 · 32 ratings
romance · book · steamy · aliens · fiction · paranormal · sci-fi · adult · shapeshifters · urban-fantasy · contemporary · space · action-adventure · space-opera · fated-mates · alpha-mc · military · vampires · female-mc · exploration
All books in this series ❯
Baldwin's Legacy
by Nathan Hystad
4.26 · 23 ratings
aliens · fiction · sci-fi · space-opera · military · space · adult · invasion · violent-conflict · book · soldiers · space-travel · galactic-empire · first-contact · genetic-engineering · space-fleet · colonization · action-adventure · exploration · audiobook
All books in this series ❯
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
All books in this series ❯
AI Trilogy
by Tony Ballantyne
3.45 · 22 ratings
book · fiction · action-adventure · space-opera · ai · sci-fi · adult · dystopia · futuristic · cyberpunk · violent-conflict · far-future · audiobook · war · space · post-apocalyptic · classics · female-mc · literary · space-travel
All books in this series ❯
Spineward Sectors
by Luke Sky Wachter
4.07 · 99 ratings
violent-conflict · space · adult · military · sci-fi · fiction · book · space-opera · space-fleet · action-adventure · galactic-empire · war · soldiers · colonization · humor · aliens · invasion · genetic-engineering · nautical
All books in this series ❯
Ports of Call
by Jack Vance
3.59 · 17 ratings
adult · fiction · sci-fi · book · space-opera · space · action-adventure · male-author · box-set · audiobook · contemporary · humor
All books in this series ❯
Bounty
by Christine d'Abo
3.71 · 14 ratings
adult · romance · space · space-opera · sci-fi · fiction · action-adventure · outlaws · mlm · lgbtq · steamy · book · angst · futuristic · bisexuality · alpha-mc · pansexuality · expert · slavery · polyamory
All books in this series ❯
Anti Life
by Allen Kuzara
3.31 · 13 ratings
aliens · fiction · invasion · book · first-contact · violent-conflict · adult · sci-fi · space-opera · action-adventure · military · space · space-fleet · soldiers · colonization · supernatural · mystery · exploration · space-travel · politics
All books in this series ❯
Star Crusades Mercenaries
by Michael G. Thomas
3.92 · 12 ratings
galactic-empire · space-travel · space-opera · soldiers · space-fleet · adult · violent-conflict · space · sci-fi · first-contact · military · book · invasion · aliens · action-adventure · exploration · fiction · super-powered
All books in this series ❯
Guardians of the Pattern
by Jaye McKenna
3.89 · 18 ratings
book · romance · mlm · politics · lgbtq · fiction · sci-fi · adult · medical · paranormal · killer · space · mystery · action-adventure · space-opera · dystopia · disability · suspense · futuristic · aliens
All books in this series ❯
The Midsolar Murders
by Mur Lafferty
4.33 · 6 ratings
action-adventure · sci-fi · mystery · adult · book · fiction · murder · cozy · space-opera · amateur-sleuth · space · crime · female-author · audiobook · dystopia · female-mc · aliens
All books in this series ❯
Star Hounds
by David Bischoff
3.50 · 6 ratings
book · sci-fi · adult · fiction · action-adventure · cyberpunk · humor · space-opera · audiobook · violent-conflict · dystopia · post-apocalyptic · space-fleet · space · military · box-set
All books in this series ❯
The Amagi Series
by S.J. Pajonas
4.25 · 4 ratings
space-opera · fiction · romance · book · action-adventure · adult · sci-fi · colonization · poc-mc · young-adult · reverse-harem · black-mc · space · space-travel
All books in this series ❯