Most Popular Alien Romance Books

Explore the most popular Alien Romance books across decades, with reader ratings and discoveries from Risingshadow.

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Books in this list

The Vrix #3

The Hunter

Tiffany Roberts

Science Fiction · Alien Romance · Romance

September 16, 2026

Vaxxlian Alien Mail Order Brides #7

Claus

Sue Mercury

Science Fiction · Alien Romance · Christmas Fiction · Holiday/Seasonal · Romance

October 31, 2024

Monster Mercenary Mates #1

Caught by the Alien Mercenary

Robin O'Connor

Science Fiction · Alien Romance · Monster Romance · Naga · Adult

May 7, 2024

Vaxxlian Alien Mail Order Brides #6

Myadd

Sue Mercury

Science Fiction · Alien Romance · Romance

November 5, 2020

The Vrix #2

The Delver

Tiffany Roberts

Science Fiction · Alien Romance · Romance

October 7, 2025

Alien Wolf Tales #1

Big, Bad Alien

Honey Phillips

Science Fiction · Alien Romance · Fairy Tale Retellings · Fated Mates · Adult

January 23, 2025

Mutant Mates #1

Mutant Mine

Venus Nox

Science Fiction · Alien Romance · Slow Burn Romance · Adult · Romance

October 14, 2024

Vaxxlian Alien Mail Order Brides #11

Draevan

Sue Mercury

Science Fiction · Alien Romance · HEA Ending · Adult · Romance

September 17, 2026

Starlight Alien Mail Order Brides #10

Rock Hard Alien

Skye MacKinnon

Science Fiction · Alien Romance · Gargoyle · HEA Ending · Monster Romance

September 3, 2026

Serpents of Serant #11

The Naga Wanderer's Wounded Mate

Robin O'Connor

Science Fiction · Alien Romance · Fated Mates · HEA Ending · Monster Romance

August 18, 2026

Alien Wolf Tales #8

Alien Tower

Honey Phillips

Science Fiction · Alien Romance · Fairy Tale Retellings · Adult · Shapeshifters

April 9, 2026

Sci-Fi Holiday Specials

The Alien Warrior's Valentine

Robin O'Connor

Science Fiction · Alien Romance · Adult · Valentine's Day Fiction · Holiday/Seasonal

February 14, 2026

The ABCs of Alien Abduction #1

A is for Abduction

Honey Phillips

Science Fiction · Alien Romance · HEA Ending · Adult · Adventure

July 2, 2026

Alien Wolf Tales #6

Alien's Bargain

Honey Phillips

Science Fiction · Alien Romance · Fairy Tale Retellings · Forced Proximity · Adult

February 12, 2026

Serpents of Serant #10

The Naga Exile's Frozen Mate

Robin O'Connor

Science Fiction · Alien Romance · Fated Mates · Monster Romance · Naga

February 24, 2026

Holiday Heartmates #6

Stuffed by the Alien

Julie K. Cohen

Science Fiction · Alien Romance · Fated Mates · HEA Ending · Slow Burn Romance

October 15, 2026

Monster Mercenary Mates #8

Claimed by the Alien Mercenary

Robin O'Connor

Fantasy · Science Fiction · Alien Romance · Fated Mates · Monster Romance

January 27, 2026

Xarc'n Warriors #14

Chosen by the Hunter

Lynnea Lee

Science Fiction · Alien Romance · Dystopia · Post-Apocalyptic · Adult

March 19, 2026

Xarc'n Warriors

Holly and the Hunter

Lynnea Lee

Science Fiction · Alien Romance · Dystopia · Post-Apocalyptic · Adult

December 4, 2025

At The Alien Hotel #4

Oh No, I Carved A Pumpkin And Kissed An Alien Diplomat

Kate Sinner

Science Fiction · Alien Romance · Halloween Fiction · Novella · Holiday/Seasonal

October 29, 2025

Treasured by the Alien #14

Baby for the Alien Warrior

Honey Phillips

Science Fiction · Alien Romance · Adult · Romance

November 16, 2025

Horned Holidays #5

A Klaus Encounter

Honey Phillips

Science Fiction · Alien Romance · Adult · Winter Fiction · Holiday/Seasonal

December 4, 2025

Gladiators of the Vagabond

Enticed by the Alien Chef

Robin O'Connor

Science Fiction · Alien Romance · Fated Mates · Paranormal Romance · Adult

September 16, 2025

Serpents of Serant #9

The Naga Scout's Daring Mate

Robin O'Connor

Science Fiction · Alien Romance · Fated Mates · Monster Romance · Naga

November 11, 2025

Vaxxlian Alien Mail Order Brides #8

Lorrd

Sue Mercury

Science Fiction · Alien Romance · Fated Mates · Adult · Romance

September 25, 2025

Monster Mercenary Mates #7

Tempted by the Alien Mercenary

Robin O'Connor

Science Fiction · Alien Romance · Monster Romance · Adult · Romance

December 9, 2025

Alien Abduction #25

Yasmin and the Yeti

Honey Phillips

Science Fiction · Alien Romance · Yeti · Adult · Romance

August 7, 2025

Intergalactic Dating Agency

Romancing the Alien 10 Year Anniversary Bundle

Demelza Carlton, Kate Rudolph, Sophie Stern, Michelle M. Pillow, Skye MacKinnon, Sue Mercury, Candice Gilmer, Tamsin Ley, Elsa Jade

Science Fiction · Alien Romance · Cyborg Romance · Dragons · Fated Mates

June 16, 2025

Cosmic Mates #8

Alien Spare

Cara Bristol

Science Fiction · Alien Romance · Romance

September 22, 2025

Cosmic Mates #7

Alien Heir

Cara Bristol

Science Fiction · Alien Romance · Romance

July 21, 2025

Treasured by the Alien #13

Legacy for the Alien Warrior

Honey Phillips

Science Fiction · Alien Romance · Adult · Romance

June 15, 2025

Monster Mercenary Mates #6

Chased by the Alien Mercenary

Robin O'Connor

Science Fiction · Alien Romance · Monster Romance · Adult · Romance

August 12, 2025

Alien Wolf Tales #4

Cursed Alien

Honey Phillips

Science Fiction · Alien Romance · Fairy Tale Retellings · Adult · Shapeshifters

May 22, 2025

Dream Team Shifters #5

Her Enemy Dragon Captor

Leela Ash

Fantasy · Science Fiction · Alien Romance · Dragons · Fated Mates

April 14, 2025

Taurean Warriors

Mistletoe Mishaps

Melody Beckett

Science Fiction · Alien Romance · Adult · Christmas Fiction · Holiday/Seasonal

March 3, 2025

Serpents of Serant #8

The Naga Shaman's Pregnant Mate

Robin O'Connor

Science Fiction · Alien Romance · Fated Mates · Monster Romance · Naga

July 1, 2025