Apollo Quartet
by Ian Sales
3.63 · 16 ratings
book · alternate-history · fiction · alternate-universe · sci-fi · high-school · audiobook · adult · hard-sci-fi · male-author · space · apocalyptic · north-america · exploration · usa · 20th-century · 21st-century · space-travel · dystopia · historical
Apollo Quartet: Similar series
The World As Myth
by Robert A. Heinlein
3.77 · 119 ratings
literary · paranormal · audiobook · time-travel · classics · sci-fi · adult · action-adventure · fiction · space · book · space-opera · technothriller · cats · multiverse · space-travel · 20th-century · violent-conflict · historical · war
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Extinction
by James D. Prescott
4.12 · 76 ratings
political-intrigue · sci-fi · genetic-engineering · adult · audiobook · first-contact · book · technothriller · hard-sci-fi · action-adventure · post-apocalyptic · aliens · fiction · alternate-history · violent-conflict · apocalyptic · psychological · invasion · espionage · space-travel
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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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Neanderthal Parallax
by Robert J. Sawyer
3.79 · 72 ratings
sci-fi · fiction · action-adventure · alternate-universe · multiverse · alternate-history · near-future · book · hard-sci-fi · adult · audiobook · evolution · mystery · supernatural · lgbtq · time-travel · genetic-engineering · historical-fiction · paranormal · religion
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Colonization
by Harry Turtledove
3.72 · 69 ratings
fiction · aliens · alternate-universe · action-adventure · alternate-history · colonization · war · book · invasion · adult · historical · violent-conflict · historical-fiction · military · audiobook · sci-fi · 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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NASA Trilogy
by Stephen Baxter
3.76 · 61 ratings
exploration · fiction · space · sci-fi · space-travel · adult · hard-sci-fi · alternate-history · audiobook · myths · post-apocalyptic · book · 20th-century · historical-fiction · historical · action-adventure · paranormal · suspense · mars · literary
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Merchant Princes Universe
by Charles Stross
3.68 · 181 ratings
multiverse · book · audiobook · alternate-history · action-adventure · fiction · urban-fantasy · time-travel · politics · adult · alternate-universe · steampunk · industrial-era · supernatural · contemporary · space · political-intrigue · galactic-empire · fantasy · espionage
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Tosev
by Harry Turtledove
3.74 · 160 ratings
alternate-history · aliens · fiction · action-adventure · invasion · war · book · historical-fiction · military · audiobook · adult · historical · violent-conflict · sci-fi · alternate-universe · first-contact · 20th-century · ww2 · space · colonization
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Worldwar
by Harry Turtledove
3.78 · 76 ratings
military · audiobook · first-contact · historical-fiction · war · adult · historical · violent-conflict · sci-fi · 20th-century · alternate-history · alternate-universe · action-adventure · aliens · fiction · invasion · ww2 · book · male-author · dystopia
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Destroyermen
by Taylor Anderson
4.22 · 270 ratings
book · historical-fiction · time-travel · audiobook · war · action-adventure · alternate-universe · fiction · alternate-history · sci-fi · violent-conflict · historical · military · adult · aliens · 20th-century · survival · ww2 · multiverse · space-fleet
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Island in the Sea of Time
by S.M. Stirling
4.00 · 54 ratings
apocalyptic · war · wlw · action-adventure · fiction · alternate-history · romantic-love · sci-fi · violent-conflict · historical · adult · military · book · historical-fiction · time-travel · post-apocalyptic · audiobook · steampunk · industrial-era · alternate-universe
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The Way
by Greg Bear
3.80 · 70 ratings
action-adventure · time-travel · sci-fi · space-opera · adult · fiction · audiobook · space · post-apocalyptic · military · violent-conflict · hard-sci-fi · aliens · literary · invasion · anthologies · book · classics · 20th-century · first-contact
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A Time Odyssey
by Arthur C. Clarke
3.75 · 52 ratings
space-opera · sci-fi · violent-conflict · space · adult · audiobook · book · time-travel · hard-sci-fi · invasion · action-adventure · aliens · fiction · alternate-history · historical-fiction · literary · historical · male-author · apocalyptic · war
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Jackpot
by William Gibson
3.82 · 49 ratings
adult · book · technothriller · cyberpunk · dystopia · fiction · sci-fi · post-apocalyptic · time-travel · suspense · ai · politics · audiobook · contemporary · 21st-century · hard-sci-fi · futuristic · apocalyptic · near-future · alternate-history
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Ring of Fire Main Line Novels
by Eric Flint
4.04 · 114 ratings
action-adventure · fiction · alternate-history · book · time-travel · war · violent-conflict · adult · historical · military · audiobook · historical-fiction · sci-fi · alternate-universe · early-modern · paranormal · politics · medieval · single-planet · family
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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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Small Change
by Jo Walton
3.83 · 46 ratings
book · fascism · dystopia · audiobook · 21st-century · politics · suspense · mystery · fiction · alternate-history · crime · lgbtq · ww2 · historical · female-author · historical-fiction · law-enforcement · 20th-century · sci-fi · political-intrigue
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Time Traders/Ross Murdock
by Andre Norton
3.86 · 99 ratings
time-travel · action-adventure · fiction · sci-fi · adult · book · audiobook · space-opera · classics · literary · hard-sci-fi · alternate-history · aliens · female-author · violent-conflict · box-set · space · historical · anthologies · invasion
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Sector 64
by Dean M. Cole
4.01 · 29 ratings
space-opera · sci-fi · adult · space · violent-conflict · military · audiobook · apocalyptic · book · post-apocalyptic · invasion · aliens · fiction · action-adventure · first-contact · hard-sci-fi · alternate-history · dystopia · technothriller
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Orion
by Ben Bova
3.73 · 48 ratings
alternate-history · time-travel · sci-fi · adult · action-adventure · fiction · book · technology · audiobook · hard-sci-fi · violent-conflict · space-opera · myths · historical-fiction · war · military · anthologies · supernatural · epic
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Villain for Hire
by Jay Aury
4.42 · 38 ratings
sci-fi · polyamory · adult · fantasy · super-powered · fiction · action-adventure · paranormal · audiobook · romance · steamy · book · urban-fantasy · supernatural · harem · crime · contemporary · pulp · male-mc · anti-hero
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Apollo Quartet
by Ian Sales
3.63 · 16 ratings
book · alternate-history · fiction · alternate-universe · sci-fi · high-school · audiobook · adult · hard-sci-fi · male-author · space · apocalyptic · north-america · exploration · usa · 20th-century · 21st-century · space-travel · dystopia · historical
All books in this series ❯