Duty trilogy
by James Haddock
22 ratings 4.32 ·
space · futuristic · military · fiction · action-adventure · ai · space-travel · book · space-fleet · space-opera · violent-conflict · sci-fi · adult · young-adult · coming-of-age · colonization · audiobook · litrpg
Duty trilogy: Similar series
Ender's Saga
by Orson Scott Card
285 ratings 3.90 ·
action-adventure · young-adult · sci-fi · fiction · war · audiobook · space · aliens · violent-conflict · space-opera · dystopia · military · male-author · futuristic · classics · literary · book · contemporary · religion · children
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Enderverse: Publication Order
by Orson Scott Card
529 ratings 3.98 ·
sci-fi · aliens · space-opera · violent-conflict · space · fiction · audiobook · young-adult · action-adventure · war · military · futuristic · dystopia · book · space-travel · male-author · epic · children · high-school · literary
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The Enderverse
by Orson Scott Card
545 ratings 3.97 ·
sci-fi · young-adult · action-adventure · audiobook · fiction · space · space-opera · violent-conflict · aliens · military · war · book · dystopia · futuristic · space-travel · male-author · children · epic · contemporary · classics
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The Expanse
by James S.A. Corey
561 ratings 4.21 ·
space-opera · fiction · sci-fi · space · audiobook · hard-sci-fi · adult · action-adventure · aliens · male-author · 21st-century · mystery · book · dystopia · violent-conflict · horror · futuristic · war · military · suspense
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Red Rising Saga
by Pierce Brown
204 ratings 4.30 ·
fiction · space-opera · dystopia · young-adult · book · sci-fi · military · violent-conflict · audiobook · new-adult · action-adventure · space · post-apocalyptic · epic · war · futuristic · survival · dark · male-mc · politics
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Culture
by Iain M. Banks
313 ratings 4.12 ·
space · action-adventure · sci-fi · adult · fiction · hard-sci-fi · space-opera · book · aliens · audiobook · male-author · ai · utopia · violent-conflict · futuristic · far-future · philosophy · military · war · robots
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The Shadow Series
by Orson Scott Card
197 ratings 4.01 ·
violent-conflict · space · young-adult · action-adventure · sci-fi · book · military · fiction · audiobook · dystopia · space-opera · aliens · contemporary · futuristic · war · epic · male-author · children · coming-of-age · high-school
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Wayfarers
by Becky Chambers
140 ratings 4.24 ·
female-author · fiction · lgbtq · book · sci-fi · futuristic · aliens · space-travel · female-mc · found-family · cozy · audiobook · 21st-century · space-opera · space · action-adventure · family · solarpunk · feminism · friendship
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The Illuminae Files
by Amie Kaufman
135 ratings 4.34 ·
romance · fiction · sci-fi · book · action-adventure · space · dystopia · space-opera · violent-conflict · audiobook · futuristic · war · epistolary · young-adult · horror · survival · female-mc · humor · mystery · female-author
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Children of Time
by Adrian Tchaikovsky
81 ratings 4.15 ·
space-travel · fiction · aliens · adult · hard-sci-fi · violent-conflict · space-opera · audiobook · action-adventure · ai · space · sci-fi · first-contact · book · epic · animals · exploration · futuristic · horror · survival
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Bobiverse
by Dennis E. Taylor
134 ratings 4.36 ·
space-opera · space · sci-fi · book · fiction · audiobook · dystopia · action-adventure · ai · post-apocalyptic · aliens · space-travel · exploration · comedy · humor · male-author · hard-sci-fi · transhumanism · violent-conflict · apocalyptic
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Starbound
by Amie Kaufman
106 ratings 3.89 ·
romance · book · sci-fi · space · young-adult · action-adventure · paranormal · new-adult · space-opera · dystopia · survival · futuristic · mystery · aliens · fiction · suspense · male-mc · multi-pov · enemies-to-lovers · audiobook
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The First Formic War
by Orson Scott Card
79 ratings 4.03 ·
book · dystopia · invasion · futuristic · military · space · war · action-adventure · family · aliens · audiobook · fiction · space-travel · young-adult · sci-fi · first-contact · violent-conflict · space-opera · space-fleet · apocalyptic
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The Long Earth
by Terry Pratchett
121 ratings 3.76 ·
sci-fi · fiction · alternate-universe · male-author · alternate-history · audiobook · space-opera · space · multiverse · young-adult · action-adventure · book · dystopia · futuristic · military · aliens · comedy · humor · violent-conflict · ai
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Honor Harrington
by David Weber
368 ratings 4.11 ·
space-opera · fiction · adult · book · sci-fi · violent-conflict · audiobook · female-mc · war · military · action-adventure · space · alpha-mc · hard-sci-fi · futuristic · politics · nautical · space-travel · aliens · psychics
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The Lost Fleet: Beyond the Frontier
by Jack Campbell
112 ratings 4.09 ·
action-adventure · space · sci-fi · book · space-fleet · politics · space-travel · aliens · fiction · military · futuristic · war · space-opera · violent-conflict · audiobook · exploration · adult · male-author · nautical · galactic-empire
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Vatta's War
by Elizabeth Moon
111 ratings 3.99 ·
space · war · military · outlaws · futuristic · female-author · action-adventure · fiction · female-mc · feminism · audiobook · space-opera · violent-conflict · book · sci-fi · hard-sci-fi · coming-of-age · adult · space-travel · multi-pov
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The Tower and the Hive
by Anne McCaffrey
111 ratings 3.94 ·
audiobook · space-opera · female-author · futuristic · aliens · fiction · space-travel · epic · psychics · romance · sci-fi · space · action-adventure · paranormal · violent-conflict · female-mc · supernatural · book · invasion · young-adult
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Binti
by Nnedi Okorafor
111 ratings 3.97 ·
sci-fi · poc-mc · fiction · female-author · coming-of-age · feminism · action-adventure · young-adult · space · poc-author · space-opera · dystopia · violent-conflict · afrofuturism · audiobook · aliens · futuristic · book · family · mental-illness
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The Lost Fleet
by Jack Campbell
303 ratings 4.06 ·
space · action-adventure · book · space-fleet · sci-fi · war · military · aliens · fiction · space-travel · audiobook · space-opera · violent-conflict · male-author · adult · politics · futuristic · exploration · nautical · first-contact
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Vorkosigan Saga Publication Order
by Lois McMaster Bujold
688 ratings 4.16 ·
sci-fi · space-opera · space · fiction · action-adventure · female-author · military · mystery · adult · audiobook · futuristic · violent-conflict · humor · disability · book · war · space-travel · 20th-century · historical · politics
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Paradox
by Rachel Bach
63 ratings 3.94 ·
military · book · sci-fi · feminism · action-adventure · paranormal · young-adult · space · magic · alpha-mc · space-opera · violent-conflict · aliens · fiction · mystery · space-travel · female-mc · romance · war · female-author
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Mars Trilogy
by Kim Stanley Robinson
123 ratings 3.89 ·
adult · fiction · sci-fi · hard-sci-fi · space · mars · space-travel · exploration · audiobook · space-opera · action-adventure · book · war · futuristic · epic · male-author · historical · violent-conflict · dystopia · utopia
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Imperial Radch
by Ann Leckie
141 ratings 4.04 ·
fiction · adult · space-opera · sci-fi · book · lgbtq · ai · space · female-author · 21st-century · action-adventure · military · hard-sci-fi · violent-conflict · politics · female-mc · epic · space-travel · aliens · futuristic
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