Delroi Connection: Similar romance series

The Tower and the Hive

by Anne McCaffrey

3.97 · 170 ratings

romance · space · audiobook · paranormal · aliens · fiction · action-adventure · psychics · futuristic · female-author · space-opera · space-travel · epic · sci-fi · young-adult · supernatural · book · invasion · female-mc · family

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Paradox

by Rachel Bach

3.95 · 99 ratings

feminism · paranormal · alpha-mc · space · book · romance · young-adult · space-travel · space-opera · sci-fi · violent-conflict · magic · military · female-author · war · futuristic · action-adventure · mystery · fiction · female-mc

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Kinsmen

by Ilona Andrews

4.17 · 124 ratings

space-opera · assassins · sci-fi · adult · magic · futuristic · action-adventure · fiction · female-mc · political-intrigue · paranormal · space · alpha-mc · audiobook · steamy · romance · urban-fantasy · drama · slow-burn · aliens

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Catteni

by Anne McCaffrey

3.96 · 124 ratings

adult · invasion · romance · violent-conflict · female-author · first-contact · space-opera · space-travel · sci-fi · aliens · fiction · action-adventure · futuristic · dystopia · space · audiobook · colonization · other-world · female-mc · survival

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Sirantha Jax

by Ann Aguirre

3.89 · 181 ratings

aliens · fiction · action-adventure · female-mc · futuristic · military · space-opera · sci-fi · urban-fantasy · book · romance · space · alpha-mc · paranormal · space-travel · dystopia · audiobook · mystery · psychics · war

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Corsairs

by Ruby Dixon

4.04 · 140 ratings

dark · sci-fi · adult · fated-mates · outlaws · aliens · fiction · paranormal · multi-pov · space · alpha-mc · romance · kidnapping · book · steamy · slavery · action-adventure · humor · audiobook · friends-to-lovers

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Tornians

by M.K. Eidem

4.18 · 208 ratings

aliens · fiction · sci-fi · adult · paranormal · steamy · romance · warriors · space · book · royalty · alpha-mc · futuristic · audiobook · action-adventure · space-opera · children · new-adult · contemporary · alternate-universe

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Dark Planet Warriors

by Anna Carven

4.12 · 285 ratings

futuristic · action-adventure · aliens · fiction · sci-fi · adult · steamy · book · romance · paranormal · military · space · alpha-mc · space-opera · contemporary · audiobook · supernatural · warriors · female-mc · inter-galactic

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Eon Warriors

by Anna Hackett

4.39 · 180 ratings

action-adventure · aliens · fiction · adult · military · soldiers · sci-fi · steamy · romance · audiobook · female-mc · space-fleet · book · space · galactic-empire · paranormal · fated-mates · alpha-mc · war · violent-conflict

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Aldebarian Alliance

by Dianne Duvall

4.37 · 89 ratings

romance · book · vampires · paranormal · audiobook · alpha-mc · female-mc · action-adventure · aliens · fiction · sci-fi · adult · space · humor · military · first-contact · steamy · urban-fantasy · suspense · contemporary

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Theirs Not to Reason Why

by Jean Johnson

4.07 · 88 ratings

invasion · time-travel · book · paranormal · space · futuristic · war · female-mc · aliens · action-adventure · fiction · soldiers · sci-fi · space-travel · space-opera · first-contact · military · magic · adult · violent-conflict

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Cosmos' Gateway

by S.E. Smith

4.17 · 138 ratings

audiobook · contemporary · alpha-mc · romance · sci-fi · aliens · fiction · paranormal · invasion · book · first-contact · military · space-fleet · adult · violent-conflict · soldiers · action-adventure · futuristic · steamy · alternate-history

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Imperial

by M.K. Eidem

4.32 · 63 ratings

adult · space-opera · sci-fi · aliens · fiction · alpha-mc · audiobook · paranormal · book · other-world · romance · violent-conflict · military · action-adventure · war · futuristic · space · steamy · space-travel · humor

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Alien Lord's Captive Serial

by Mina Carter

3.92 · 63 ratings

book · steamy · military · adult · dark · sci-fi · aliens · fiction · warriors · action-adventure · futuristic · space · alpha-mc · paranormal · romance · kidnapping · violent-conflict · female-mc · inter-galactic · royalty

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Class 5

by Michelle Diener

4.16 · 125 ratings

ai · book · adult · sci-fi · fiction · space · romance · space-opera · military · aliens · action-adventure · galactic-empire · futuristic · female-mc · alpha-mc · multi-pov · audiobook · kidnapping · dark · paranormal

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Oath Forger

by Nia Mars

3.95 · 61 ratings

reverse-harem · polyamory · space · alpha-mc · adult · dystopia · sci-fi · paranormal · female-mc · royalty · fiction · aliens · romance · futuristic · post-apocalyptic · book · new-adult · space-opera · apocalyptic · steamy

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Interstellar Brides: The Colony

by Grace Goodwin

4.26 · 108 ratings

fiction · paranormal · cyborgs · romance · book · steamy · sci-fi · adult · shapeshifters · vampires · aliens · action-adventure · audiobook · genetic-engineering · insta-love · military · futuristic · violent-conflict · war · contemporary

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Sarazen Saga

by Isabel Wroth

4.15 · 52 ratings

sci-fi · adult · fated-mates · aliens · fiction · paranormal · book · shapeshifters · romance · violent-conflict · first-contact · alpha-mc · contemporary · invasion · space · steamy · space-opera · insta-love · children · monsters

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The Darvel Exploratory Systems

by S.J. Sanders

4.09 · 52 ratings

monsters · paranormal · romance · book · adult · sci-fi · aliens · fiction · urban-fantasy · steamy · futuristic · alpha-mc · audiobook · myths · space · invasion · violent-conflict · new-adult · space-travel · female-mc

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