Lord Kalvan
by John F. Carr
4.00 · 4 ratings
book · sci-fi · action-adventure · adult · fiction · military · violent-conflict · alternate-history
Lord Kalvan: Similar series
Heritage Trilogy
by Ian Douglas
3.89 · 75 ratings
space · violent-conflict · hard-sci-fi · war · book · fiction · action-adventure · soldiers · sci-fi · mars · space-opera · audiobook · military · adult · male-author · alternate-history · aliens · exploration · mystery · space-travel
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The Disappearance
by John Birmingham
3.78 · 72 ratings
book · historical-fiction · military · adult · violent-conflict · sci-fi · alternate-history · fiction · action-adventure · war · apocalyptic · audiobook · dystopia · post-apocalyptic · technothriller · historical · mystery · suspense · politics · male-mc
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Colonization
by Harry Turtledove
3.72 · 69 ratings
colonization · sci-fi · adult · historical · violent-conflict · historical-fiction · military · audiobook · war · book · invasion · aliens · fiction · alternate-universe · action-adventure · alternate-history · space · first-contact · space-opera
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Posleen War
by John Ringo
3.95 · 103 ratings
violent-conflict · space · adult · military · space-opera · sci-fi · action-adventure · aliens · fiction · book · war · hard-sci-fi · invasion · audiobook · alternate-history · survival · futuristic · contemporary · apocalyptic
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Dahak
by David Weber
4.22 · 82 ratings
audiobook · military · adult · violent-conflict · space · sci-fi · space-opera · aliens · action-adventure · fiction · war · space-travel · alternate-history · hard-sci-fi · book · box-set · comics · earth · explorer · futuristic
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The Survivalist
by A. American
4.35 · 204 ratings
sci-fi · survival · adult · dystopia · violent-conflict · audiobook · military · war · book · apocalyptic · post-apocalyptic · fiction · action-adventure · suspense · alternate-history · contemporary · zombies · male-mc · horror · literary-fiction
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Tao
by Wesley Chu
3.84 · 81 ratings
audiobook · espionage · fiction · aliens · action-adventure · sci-fi · book · political-intrigue · crime · spirituality · humor · alternate-history · space-fleet · male-author · first-contact · military · violent-conflict · invasion · religion · urban-fantasy
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The Way
by Greg Bear
3.80 · 70 ratings
time-travel · action-adventure · fiction · adult · space-opera · sci-fi · post-apocalyptic · space · audiobook · aliens · hard-sci-fi · violent-conflict · military · classics · book · invasion · anthologies · literary · alternate-history · male-author
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Dimension Space
by Dean M. Cole
4.02 · 48 ratings
book · technothriller · invasion · post-apocalyptic · dystopia · audiobook · action-adventure · fiction · aliens · apocalyptic · hard-sci-fi · violent-conflict · adult · military · first-contact · space-opera · sci-fi · time-travel · alternate-history · multiverse
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Destiny's Crucible
by Olan Thorensen
4.18 · 101 ratings
time-travel · audiobook · action-adventure · aliens · portal-travel · fiction · war · violent-conflict · military · historical-fiction · epic · book · adult · paranormal · sci-fi · colonization · ai · alternate-history · grim-dark · historical
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Multiverse
by David Weber
3.89 · 38 ratings
action-adventure · fiction · alternate-history · book · steampunk · war · industrial-era · violent-conflict · space · historical · adult · military · magic · space-opera · epic · multiverse · audiobook · sci-fi · alternate-universe · fantasy
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Carerra
by Tom Kratman
4.03 · 101 ratings
fiction · action-adventure · book · military · adult · violent-conflict · sci-fi · alternate-history · war · space-opera · space · space-fleet · revenge · invasion · audiobook · contemporary · colonization · aliens · futuristic · near-future
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Origins
by Mark Henrikson
4.08 · 26 ratings
book · alternate-history · fiction · action-adventure · sci-fi · adult · violent-conflict · mystery · historical-fiction · military · historical · invasion · time-travel · aliens · soldiers · first-contact · male-mc
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Casca
by Barry Sadler
3.90 · 163 ratings
violent-conflict · historical · adult · military · historical-fiction · action-adventure · fiction · book · war · audiobook · alternate-history · sci-fi · suspense · fantasy · ancient-civilization · roman-empire · spirituality · male-mc · medieval · pulp
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Casca [Chronological]
by Barry Sadler
3.90 · 163 ratings
action-adventure · fiction · military · historical-fiction · violent-conflict · adult · historical · book · war · audiobook · alternate-history · sci-fi · suspense · fantasy · ancient-civilization · spirituality · roman-empire · medieval · male-mc · pulp
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Tour of the Merrimack
by R.M. Meluch
3.88 · 50 ratings
fiction · adult · sci-fi · book · action-adventure · military · violent-conflict · space-opera · space · alternate-history · war · epic · time-travel · aliens · cyberpunk · super-powered · space-fleet · colonization · post-apocalyptic · box-set
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Area 51: Time Patrol
by Bob Mayer
4.07 · 27 ratings
time-travel · book · alternate-history · fiction · action-adventure · sci-fi · adult · technothriller · myths · historical · male-mc · military · violent-conflict · historical-fiction · conspiracies · political-intrigue · ww2 · space · suspense · 20th-century
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Green Zone War
by Jake Elwood
4.11 · 27 ratings
audiobook · military · space · space-fleet · adult · violent-conflict · sci-fi · space-opera · fiction · book · soldiers · action-adventure · alternate-history · alpha-mc · futuristic · war
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www
by Marcin Ciszewski
4.00 · 16 ratings
war · time-travel · book · military · fiction · action-adventure · alternate-history · sci-fi · adult · violent-conflict · audiobook · historical · historical-fiction · angst
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Red Gambit
by Colin Gee
4.22 · 18 ratings
book · war · alternate-history · fiction · sci-fi · military · violent-conflict · adult · historical · ww2 · technothriller · 20th-century · historical-fiction · action-adventure
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The Parallel Nazi
by Ward Wagher
4.40 · 10 ratings
adult · fiction · ww2 · sci-fi · 20th-century · book · time-travel · alternate-history · military · action-adventure · violent-conflict · historical
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His Majesty's New World
by Kenneth Tam
4.00 · 17 ratings
book · fiction · alternate-history · violent-conflict · adult · military · war · aliens · sci-fi · action-adventure · historical · space-opera · 20th-century · dieselpunk · steampunk · industrial-era · western · fantasy · nautical · historical-fiction
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New Carnegie Androids
by Roxie McClaine
4.31 · 13 ratings
adult · cyberpunk · genetic-engineering · fiction · military · sci-fi · romance · paranormal · super-powered · anthologies · alternate-history · vigilante · action-adventure · futuristic · justice · industrial-era · crime · steampunk · violent-conflict · demons
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Dark Victory
by Brendan DuBois
3.80 · 5 ratings
military · adult · violent-conflict · sci-fi · fiction · action-adventure · post-apocalyptic · book · suspense · conspiracies · political-intrigue · alternate-history · aliens · apocalyptic · first-contact · audiobook · dystopia · futuristic · invasion · war
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