Singularity: The Third Military Sci-Fi Space Opera in the Star Carrier Series – Epic Galactic Combat
Ian Douglas
Apocalypse Among the Stars: The Voidwalker Chronicles, Renegades of the Void, and Crimson Deathbringer Mega Box Set: Three Military Sci-Fi & Space Opera Series
Sean Robins
Mech Wars: The Complete Military Sci-Fi Series (Scott Bartlett Space Opera Box Sets Book 3)
Scott Bartlett
We Were Rebels: An Epic Space Opera/Military Sci-Fi Adventure (Flesh and Chrome Series Book 3)
Sean Robins
Warrior Series Omnibus #1 - 3 - Alien Invasion, Military Sci Fi and Space Opera Conquest (Trigellian Universe - Warrior Series Book 7)
J.T. Skye
Warrior: Young Adult Sci Fi Space Opera and Science Fiction Adventure (Warrior Empress Series Book 3)
J. T. Skye
Worlds Entwined: A Sci-Fi Action/Adventure Space Opera (Worlds Away Book 3)
J.L. Hendricks
Madaxa's Heir: A Sci-fi Romantic Thriller Space Opera (The Saoirse Saga Book 3)
Teagan Kearney
U-SAM Sci-fi Space Opera, Action Adventure Series - Books 1-3 Box Set
Rob Nesbitt
Piercing the Darkness: A Space Opera Military Science Fiction Thriller (Space Warfare Group Book 3)
Charles Hack
The Amorphan Rescue: A Coming of Age Science Fiction Space Opera Adventure (The Universal Shapeshifter series Book 3)
K.E. Brungardt
Shadows of Retribution : An Epic Military Sci-Fi/Space Opera Adventure (Voidwalker Chronicles Book 3)
Sean Robins
The Last Dominion: The Crimson Deathbringer Series Third Trilogy: An Epic Space Opera/Alternate Universe/Military Sci-Fi Adventure (The Crimson Deathbringer Collection Book 3)
Sean Robins
Technology Transcends All P3: Sci-Fi Progression Fantasy Cultivation Space Opera (Transcending Realms BOOK 3)
Allan.KL Scott
Fitzwhistle's Science Fiction Coloring Book #3: An Adult Coloring Book For Sci-Fi Fans Featuring Space Opera, Alien Landscapes, and Dystopian ... Science Fiction Coloring Books)
Tobias Fitzwhistle
Far Harbors Book Three: The Last Index: A Character-Driven Sci-Fi Novel About Archives, Dying Languages, Found Family, and Healing After Loss — Perfect for Fans of Thoughtful, Slow-Burn Space Opera
F . J Savonte
The Errant Stars Book 3 : Dead Calm: A slow-burn sci-fi adventure about a stranded crew, hidden tensions, and life aboard a failing starship—perfect for fans of character-driven space opera
F.J Savonte
Rebel Starship: A Military Sci-fi Space Opera Adventure (The Unclaimed Armada Book 3)
Buck Ryder