The Zone: Similar series
Prime Mating Agency
by Regine Abel
4.17 · 256 ratings
aliens · monsters · first-contact · sci-fi · paranormal · fiction · adult · colonization · book · romance · humor · violent-conflict · invasion · poc-mc · fated-mates · arranged-marriage · marriage-of-convenience · alpha-mc · futuristic · steamy
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Time Hunters
by Angela Knight
3.95 · 65 ratings
paranormal · steamy · time-travel · romance · urban-fantasy · adult · fiction · cyborgs · ghosts · supernatural · futuristic · alpha-mc · contemporary · book · shapeshifters · sci-fi · aliens · fantasy · angels · suspense
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Accidental Alien Brides
by January Bell
4.22 · 64 ratings
romance · sci-fi · adult · aliens · fiction · action-adventure · paranormal · steamy · book · first-contact · military · fated-mates · humor · arranged-marriage · invasion · space-fleet · violent-conflict · forced-proximity · dark · monsters
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The Clarity
by Ivana B. Kinkee
3.69 · 26 ratings
paranormal · dark · sci-fi · adult · polyamory · shapeshifters · reverse-harem · book · steamy · fated-mates · romance · omegaverse · aliens · fiction · abuse · male-mc · dystopia · multi-pov · fantasy · mlm
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Kadrixan Mates
by Lynnea Lee
4.18 · 34 ratings
adult · fiction · aliens · romance · sci-fi · paranormal · supernatural · book · fantasy · monsters · fated-mates · futuristic · dystopia · space · steamy · magic · insta-love · demons · comics · new-adult
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Awakened Womb
by Hawke Oakley
4.00 · 24 ratings
fated-mates · romance · lgbtq · book · mlm · aliens · omegaverse · fantasy · paranormal · fiction · sci-fi · adult · steamy · monsters · supernatural · humor · insta-love · alpha-mc
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Elite Rogue Alien Warriors
by Hattie Jacks
4.10 · 30 ratings
fated-mates · poc-mc · fantasy · aliens · fiction · sci-fi · adult · romance · book · dystopia · humor · action-adventure · space-opera · steamy · supernatural · paranormal · psychics · demons · adaptations · first-contact
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Latharian Mate Program
by Mina Carter
4.43 · 30 ratings
book · romance · sci-fi · adult · fiction · paranormal · invasion · violent-conflict · aliens · fantasy · steamy · fated-mates · age-gap · warriors · action-adventure · galactic-empire · arranged-marriage · class-difference · alpha-mc · space
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The Alien's Omega
by Sienna Sway
4.00 · 28 ratings
fiction · omegaverse · aliens · fantasy · mlm · lgbtq · romance · adult · sci-fi · steamy · book · paranormal · action-adventure · fated-mates · age-gap · forced-proximity · found-family · friends-to-lovers · disability · anthologies
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The Adventures Of Blue Faust
by Cecilia Randell
4.15 · 46 ratings
reverse-harem · book · romance · aliens · fiction · steamy · polyamory · paranormal · space · magic · action-adventure · young-adult · harem · audiobook · exploration · fantasy · space-travel · slow-burn · sci-fi · adult
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Kyrzon Breeding Auction
by Luna Voss
3.96 · 51 ratings
adult · action-adventure · fiction · book · sci-fi · aliens · paranormal · first-contact · military · space-travel · colonization · insta-love · steamy · romance · fantasy · poc-mc · alpha-mc · other-world · romantic-love · warriors
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Beastly Alien Boss
by Ava Ross
4.25 · 57 ratings
fiction · aliens · adult · book · sci-fi · romance · humor · first-contact · paranormal · violent-conflict · invasion · fantasy · drama · steamy · galactic-empire · fated-mates · action-adventure · insta-love · forced-proximity · audiobook
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Ice World Warriors
by Jessica Grayson
4.18 · 34 ratings
steamy · adult · sci-fi · aliens · fiction · fated-mates · paranormal · romance · shapeshifters · book · kidnapping · dark · fantasy · dragons · vampires · insta-love · alpha-mc · kind-mc · slavery · bodyguard
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Space Shifters Chronicles
by Kara Lockharte
3.95 · 20 ratings
romance · shapeshifters · book · aliens · action-adventure · fiction · paranormal · adult · futuristic · fantasy · steamy · psychics · zombies · sci-fi · military · drama · war · kidnapping · female-mc · urban-fantasy
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Fated Mates of the Zaarn
by Krista Luna
4.31 · 35 ratings
romance · book · aliens · fiction · adult · sci-fi · paranormal · female-mc · fated-mates · humor · fantasy · supernatural · action-adventure · steamy · demons · cheerful-mc · space · alpha-mc · grumpy-sunshine · first-contact
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Cascade Beasts
by Sue Mercury
4.31 · 13 ratings
book · steamy · romance · fantasy · aliens · fiction · sci-fi · paranormal · alpha-mc · adult · monsters · fated-mates · captivity · action-adventure · dark · dystopia · crime · organized-crime · urban-fantasy · supernatural
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Alien Baby Pact
by Aurelia Skye
4.00 · 13 ratings
sci-fi · fiction · first-contact · violent-conflict · adult · romance · invasion · book · poc-mc · aliens · paranormal · genetic-engineering · steamy · colonization · fantasy · new-adult · military · alpha-mc · futuristic · action-adventure
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Qurilixen Lords
by Michelle M. Pillow
4.55 · 20 ratings
fiction · action-adventure · humor · shapeshifters · book · adult · paranormal · colonization · urban-fantasy · dragons · mythical-creatures · romance · steamy · audiobook · sci-fi · fantasy · aliens · space-opera · fated-mates · abuse
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Planet Nerak
by Karen Kelley
3.63 · 16 ratings
adult · paranormal · aliens · fiction · book · futuristic · romance · contemporary · humor · steamy · sci-fi · fantasy · shapeshifters · womens-fiction · action-adventure · vampires · urban-fantasy
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Monster Hearts
by Cara Wylde
4.13 · 16 ratings
monsters · adult · paranormal · sci-fi · fiction · romance · book · steamy · aliens · forced-proximity · insta-love · fantasy · fated-mates · myths · multi-pov · alpha-mc · supernatural · futuristic
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Alien Lovers
by Orion Blaze
3.47 · 19 ratings
omegaverse · paranormal · sci-fi · adult · book · romance · aliens · royalty · fiction · mlm · lgbtq · other-world · steamy · action-adventure · fantasy · insta-love · box-set · violent-conflict · fated-mates · war
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Fated Mates of the Varool
by Krista Luna
4.28 · 32 ratings
fiction · aliens · adult · humor · sci-fi · action-adventure · romance · violent-conflict · invasion · fated-mates · space-travel · space-opera · genetic-engineering · paranormal · female-mc · military · soldiers · book · fantasy · comics
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House Of The Cat
by Shelley Munro
3.92 · 21 ratings
romance · paranormal · steamy · fiction · shapeshifters · aliens · adult · book · fantasy · sci-fi · humor · poc-mc · anthologies · young-adult · action-adventure · witches-wizards · supernatural · space-opera · holidays · magic
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Accidental Mates
by Brenda Steele
3.31 · 13 ratings
steamy · adult · paranormal · dragons · fiction · romance · shapeshifters · book · supernatural · space · demons · aliens · fantasy · kidnapping · alpha-mc · sci-fi · dark · female-mc · personal-growth · fated-mates
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