Star Crusader
by Michael G. Thomas
4.00 · 16 ratings
military · book · invasion · aliens · action-adventure · fiction · super-powered · young-adult · galactic-empire · soldiers · space-fleet · sci-fi · violent-conflict · space · audiobook · futuristic · hard-sci-fi · teens · genetic-engineering · cyberpunk
Star Crusader: Similar series
Legacy Fleet Trilogy
by Nick Webb
4.10 · 89 ratings
action-adventure · supernatural · soldiers · sci-fi · galactic-empire · space-opera · first-contact · space-travel · military · audiobook · adult · space-fleet · space · violent-conflict · invasion · war · book · technothriller · colonization · exploration
All books in this series ❯
Undying Mercenaries
by B.V. Larson
4.28 · 383 ratings
war · aliens · soldiers · fiction · sci-fi · space-opera · military · violent-conflict · space-fleet · adult · invasion · book · colonization · galactic-empire · audiobook · space · first-contact · space-travel · hard-sci-fi · exploration
All books in this series ❯
Star Force
by B.V. Larson
4.02 · 251 ratings
war · aliens · fiction · space-opera · sci-fi · soldiers · violent-conflict · space-fleet · adult · military · book · invasion · galactic-empire · space · audiobook · ai · action-adventure · robots · first-contact · technothriller
All books in this series ❯
Duchy of Terra Universe
by Glynn Stewart
4.41 · 170 ratings
military · war · book · invasion · aliens · exploration · action-adventure · fiction · galactic-empire · space-travel · space-opera · soldiers · space-fleet · adult · violent-conflict · space · sci-fi · first-contact · audiobook · female-mc
All books in this series ❯
War Eternal
by M.R. Forbes
4.19 · 151 ratings
invasion · aliens · fiction · space-opera · soldiers · sci-fi · space · adult · space-fleet · military · violent-conflict · book · war · time-travel · action-adventure · first-contact · audiobook · galactic-empire · futuristic · colonization
All books in this series ❯
Blood on the Stars
by Jay Allan
4.33 · 243 ratings
fiction · aliens · exploration · first-contact · military · space-fleet · adult · violent-conflict · soldiers · sci-fi · space-travel · space-opera · invasion · book · space · galactic-empire · colonization · war · audiobook · action-adventure
All books in this series ❯
Drop Trooper
by Rick Partlow
4.38 · 152 ratings
book · invasion · aliens · fiction · colonization · galactic-empire · soldiers · adult · space-fleet · violent-conflict · military · exploration · action-adventure · space-travel · sci-fi · space · space-opera · first-contact · war · audiobook
All books in this series ❯
Aurora Rising
by G.S. Jennsen
4.13 · 66 ratings
sci-fi · space-travel · space-opera · military · first-contact · action-adventure · fiction · galactic-empire · cyberpunk · colonization · violent-conflict · space-fleet · aliens · exploration · ai · space · romance · book · soldiers · adult
All books in this series ❯
Lost Starship
by Vaughn Heppner
4.24 · 155 ratings
genetic-engineering · adult · space-fleet · military · violent-conflict · space-opera · galactic-empire · soldiers · action-adventure · aliens · fiction · colonization · book · invasion · space · sci-fi · audiobook · space-travel · exploration · ai
All books in this series ❯
Portal Wars
by Jay Allan
3.99 · 38 ratings
soldiers · exploration · fiction · action-adventure · aliens · sci-fi · colonization · war · book · invasion · space-fleet · adult · dystopia · space · violent-conflict · first-contact · audiobook · military · galactic-empire · space-travel
All books in this series ❯
Backyard Starship
by J.N. Chaney
4.57 · 202 ratings
fiction · book · military · violent-conflict · sci-fi · space · space-fleet · soldiers · space-opera · action-adventure · aliens · adult · galactic-empire · colonization · invasion · genetic-engineering · audiobook · pulp · young-adult · ai
All books in this series ❯
Crimson Worlds Refugees
by Jay Allan
4.29 · 60 ratings
exploration · fiction · soldiers · galactic-empire · sci-fi · space-travel · space-opera · first-contact · audiobook · military · space-fleet · adult · violent-conflict · space · invasion · book · colonization · aliens · action-adventure · war
All books in this series ❯
Crimson Worlds
by Jay Allan
4.11 · 172 ratings
fiction · war · military · violent-conflict · adult · sci-fi · book · space · space-opera · soldiers · aliens · audiobook · first-contact · space-fleet · galactic-empire · action-adventure · invasion · exploration · space-travel · colonization
All books in this series ❯
Ganog Wars
by Chris Fox
4.29 · 24 ratings
cyborgs · invasion · male-mc · space-fleet · book · action-adventure · aliens · exploration · fiction · soldiers · sci-fi · space-opera · space-travel · galactic-empire · military · audiobook · space · violent-conflict · adult
All books in this series ❯
Valerie’s Elites
by Justin Sloan
4.51 · 31 ratings
galactic-empire · space-travel · soldiers · sci-fi · space-fleet · space · genetic-engineering · first-contact · violent-conflict · military · audiobook · book · invasion · aliens · exploration · fiction · action-adventure · colonization · shapeshifters · vampires
All books in this series ❯
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
All books in this series ❯
The Sentinel Trilogy
by Michael Wallace
4.00 · 20 ratings
space-opera · galactic-empire · soldiers · sci-fi · violent-conflict · space · space-fleet · adult · military · book · fiction · audiobook · invasion · action-adventure · aliens · first-contact
All books in this series ❯
Gateway to the Galaxy
by Jonathan Yanez
4.23 · 36 ratings
fiction · sci-fi · military · adult · violent-conflict · humor · super-powered · soldiers · space-opera · space · aliens · first-contact · invasion · book · supernatural · colonization · galactic-empire · action-adventure · space-fleet · genetic-engineering
All books in this series ❯
The Eurynome Code
by K. Gorman
4.27 · 22 ratings
book · space · fiction · violent-conflict · adult · space-fleet · military · female-author · first-contact · space-opera · sci-fi · colonization · genetic-engineering · audiobook · galactic-empire · action-adventure · aliens · female-mc · space-travel · soldiers
All books in this series ❯
The Void Queen Trilogy
by Michael Wallace
4.31 · 16 ratings
galactic-empire · space-opera · soldiers · space-fleet · adult · violent-conflict · space · sci-fi · audiobook · military · book · invasion · aliens · fiction · action-adventure · colonization · first-contact · female-mc
All books in this series ❯
Star Crusades Nexus
by Michael G. Thomas
3.90 · 51 ratings
military · adult · violent-conflict · sci-fi · space-opera · action-adventure · fiction · book · first-contact · space-fleet · space · soldiers · galactic-empire · space-travel · aliens · exploration · super-powered · invasion · box-set
All books in this series ❯
Astra Militarum
by Victoria Hayward
4.11 · 19 ratings
violent-conflict · military · adult · sci-fi · fiction · action-adventure · book · space · genetic-engineering · space-fleet · first-contact · audiobook · galactic-empire · soldiers · aliens · exploration · colonization · invasion · grim-dark · war
All books in this series ❯
Star Crusader
by Michael G. Thomas
4.00 · 16 ratings
military · book · invasion · aliens · action-adventure · fiction · super-powered · young-adult · galactic-empire · soldiers · space-fleet · sci-fi · violent-conflict · space · audiobook · futuristic · hard-sci-fi · teens · genetic-engineering · cyberpunk
All books in this series ❯
Black Legion
by Michael G. Thomas
3.83 · 18 ratings
action-adventure · aliens · fiction · book · invasion · violent-conflict · space · space-fleet · adult · military · space-opera · galactic-empire · soldiers · sci-fi · super-powered · exploration · first-contact · space-travel · war · audiobook
All books in this series ❯