The Jason Croft Trilogy

by John Ulrich Giesy

3.67 · 3 ratings

book · adult · fiction · sword-planet · action-adventure · sci-fi · pulp · classics · box-set · hard-sci-fi · non-fiction · literary

The Jason Croft Trilogy: Similar series

The X-Files

by Charles L. Grant

3.52 · 158 ratings

fiction · mystery · audiobook · sci-fi · horror · adult · suspense · paranormal · book · conspiracies · political-intrigue · urban-fantasy · space-opera · crime · action-adventure · supernatural · epic · law-enforcement · aliens · terror

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Saga of the Pliocene Exile

by Julian May

4.17 · 98 ratings

fiction · female-author · adult · sci-fi · space-opera · time-travel · paranormal · alternate-history · action-adventure · historical-fiction · historical · epic · 20th-century · anthologies · book · space · aliens · invasion · myths · dystopia

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Barsoom

by Edgar Rice Burroughs

3.87 · 413 ratings

fiction · classics · literary · action-adventure · sword-planet · sci-fi · audiobook · pulp · single-planet · book · aliens · mars · adult · space-opera · sword-sorcery · box-set · young-adult · 20th-century · space · historical

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Pellucidar

by Edgar Rice Burroughs

3.78 · 155 ratings

book · adult · action-adventure · fiction · literary · classics · pulp · lost-world · 20th-century · historical · audiobook · sci-fi · sword-planet · earth · hollow-earth · fantasy · prehistoric · box-set · literary-fiction · high-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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World of Tiers

by Philip José Farmer

3.88 · 145 ratings

fiction · book · adult · sci-fi · action-adventure · sword-planet · contemporary · classics · literary · box-set · epic · myths · 20th-century · heroic-fantasy · pulp · amnesia · historical · space-opera · fantasy · horror

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Doctor Who by Douglas Adams

by Gareth Roberts

4.06 · 48 ratings

action-adventure · humor · aliens · fiction · comedy · sci-fi · time-travel · audiobook · historical · adult · book · 21st-century · steampunk · crime · industrial-era · mystery · robots · 20th-century · space-opera · satire

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Venus

by Edgar Rice Burroughs

3.68 · 65 ratings

fiction · sci-fi · pulp · action-adventure · single-planet · literary · book · classics · sword-planet · aliens · audiobook · adult · young-adult · 20th-century · space-opera · space · historical · sword-sorcery · box-set · romance

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Planet of Adventure

by Jack Vance

3.98 · 66 ratings

fiction · adult · sci-fi · action-adventure · book · space · pulp · sword-planet · audiobook · space-opera · classics · literary · single-planet · aliens · box-set · contemporary · subterranean · anthologies · male-author

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The Valespian Pact

by Lexi Ander

4.09 · 33 ratings

lgbtq · aliens · fiction · sci-fi · adult · romance · book · mlm · action-adventure · polyamory · royalty · paranormal · family · war · mystery · space-opera · military · violent-conflict · steamy · shapeshifters

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The Moon Trilogy

by Edgar Rice Burroughs

3.69 · 30 ratings

adult · sci-fi · sword-planet · aliens · action-adventure · fiction · pulp · book · violent-conflict · audiobook · literary · classics · invasion · historical · 20th-century · space-opera · romance · communism · first-contact · military

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The Book of Skaith

by Leigh Brackett

3.73 · 22 ratings

sword-sorcery · action-adventure · sci-fi · space-opera · female-author · anti-hero · adult · book · pulp · single-planet · aliens · fiction · sword-planet · space · 20th-century · mars · historical

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Grimm's War

by Jeffery H. Haskell

4.52 · 27 ratings

space-travel · soldiers · violent-conflict · adult · space-fleet · military · first-contact · book · action-adventure · fiction · space-opera · exploration · galactic-empire · sci-fi · space · hard-sci-fi · invasion · aliens · colonization · audiobook

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The Burn Cycle

by Tim Akers

3.60 · 15 ratings

fiction · sci-fi · historical · steampunk · industrial-era · epic · adult · book · urban-fantasy · action-adventure · mystery · dark · audiobook · horror · anthologies · hard-boiled · urban · young-adult

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Eric John Stark

by Leigh Brackett

3.77 · 44 ratings

fiction · sci-fi · adult · sword-planet · action-adventure · book · pulp · space-opera · female-author · sword-sorcery · mars · single-planet · aliens · anti-hero · space · anthologies · literary · audiobook · classics · epic

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The Illustrated Stark

by Leigh Brackett

3.73 · 11 ratings

sci-fi · adult · book · action-adventure · fiction · sword-planet · literary · mars · sword-sorcery · female-author · classics · pulp · space-opera · single-planet · paranormal · violent-conflict · audiobook · war · aliens

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Infinite Unions: Intrepid Alien Mates

by Trish Heinrich

4.50 · 12 ratings

sci-fi · adult · fiction · aliens · action-adventure · book · romance · political-intrigue · multi-pov · space-opera · military · fated-mates · enemies-to-lovers · fake-relationship · paranormal · space · friends-to-lovers · disability · mental-illness · space-travel

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Gan Moondark

by Donald E. McQuinn

3.88 · 8 ratings

action-adventure · post-apocalyptic · sci-fi · apocalyptic · book · adult · fiction · magical-realism · coming-of-age · alternate-history · supernatural

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The Collapse

by Penelope Wright

4.13 · 8 ratings

action-adventure · post-apocalyptic · sci-fi · time-travel · apocalyptic · book · dystopia · fiction · adult · paranormal · young-adult · urban-fantasy

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Robert Grandon

by Otis Adelbert Kline

3.38 · 8 ratings

book · action-adventure · fiction · sword-planet · pulp · adult · 20th-century · sci-fi · historical · audiobook · high-fantasy · fantasy · psychics · single-planet · violent-conflict · military

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Edgar Rice Burroughs Universe

by Matt Betts

4.20 · 5 ratings

book · sword-planet · fiction · action-adventure · pulp · adult · sci-fi · myths · time-travel · war · ww2 · high-fantasy · aliens · fantasy · 20th-century · earth · sword-sorcery · hollow-earth · lost-world · historical

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Jane Poole Genesis

by Michael Penmore

4.00 · 5 ratings

space-opera · space-travel · soldiers · sci-fi · adult · space · violent-conflict · military · book · exploration · fiction · ai · action-adventure · colonization · female-mc · space-fleet · alpha-mc · amnesia

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The Radio Man

by Ralph Milne Farley

3.33 · 3 ratings

action-adventure · adult · fiction · sword-planet · pulp · book · sci-fi · historical · 20th-century · space · single-planet · space-opera · galactic-empire

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