← All themes

Honor and Duty sci-fi books

Sci-fi books exploring the honor and duty theme, ranked by reader rating. Every title carries a content rating, age recommendation, and trigger warnings.

7 books
Newest firstMost popular
The Last Contract of Isako
The Last Contract of Isako
Fonda Lee
RAdult 18+
The Sorcerer
The Sorcerer
Jack Whyte
PG-13Adult 18+
Barsoom Series Collection: 7 John Carter Stories Fully Illustrated - a Princess of Mars, the Gods of Mars, the Warlord of Mars, Thuvia, Maid of Mars, the Chessmen of Mars, the Master Mind of Mars and Yellow Men of Mars
Barsoom Series Collection: 7 John Carter Stories Fully Illustrated - a Princess of Mars, the Gods of Mars, the Warlord of Mars, Thuvia, Maid of Mars, the Chessmen of Mars, the Master Mind of Mars and Yellow Men of Mars
Edgar Rice Burroughs
PG-13Adult 18+
A Million Open Doors
A Million Open Doors
John Barnes
PG-13Adult 18+
Beyond the Veil
Beyond the Veil
R. L. Fanthorpe; Patricia Fanthorpe
RAdult 18+
The Book of Swords
The Book of Swords
Gardner Dozois - editor
RAdult 18+
Tomb World: Warhammer 40,000
Tomb World: Warhammer 40,000
Jonathan D Beer
Hard RAdult 18+