Most Popular Adult Books of 2026

Shadow of the Leviathan #3

A Trade of Blood

Robert Jackson Bennett

Fantasy · Adult · Mystery

August 4, 2026

Beauty and the Stone Beast

Lisa Carlisle

Fantasy · Enemies To Lovers · Fairy Tale Retellings · Gargoyle · Monster Romance

July 7, 2026

Fairhaven Falls #12

Snowed In with My Christmas Wolf

Honey Phillips

Fantasy · Cozy Fantasy · Forced Proximity · HEA Ending · Monster Romance

November 12, 2026

Horned Holidays #6

The Heart of Wynter

Honey Phillips

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

December 3, 2026

Treasured by the Alien #16

Bride of the Alien Warrior

Honey Phillips

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

November 22, 2026

Vaxxlian Alien Mail Order Brides #11

Draevan

Sue Mercury

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

September 17, 2026

The Hurricane Wars #3

This Shattered Tempest

Thea Guanzon

Fantasy · New Adult · Adult · Romance

October 6, 2026

Possessive Monsters #11

Gamble on a Gargoyle

Maggie Mayhem

Fantasy · Dragons · Gargoyle · HEA Ending · Monster Romance

May 1, 2026

Hillcrest Hollow Shifters #4

Bound to the Vampire

Vala Stone

Fantasy · Paranormal Fantasy · Paranormal Romance · Vampires · Adult

January 9, 2026

Alien Wolf Tales #5

Alien Song

Honey Phillips

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

January 15, 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

Holiday Heartmates #6

Stuffed by the Alien

Julie K. Cohen

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

October 15, 2026

Fairhaven Falls #10

Brownies for My Grumpy Bunny

Honey Phillips

Fantasy · Monster Romance · Paranormal Fantasy · Paranormal Romance · Adult

February 22, 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

Harmony Glen

Satyrday Night Fever

Honey Phillips

Fantasy · Cozy Fantasy · Monster Romance · Satyr · Adult

May 13, 2026

Vaxxlian Alien Mail Order Brides #13

Feral

Sue Mercury

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

November 12, 2026

Vaxxlian Alien Mail Order Brides #12

Errik

Sue Mercury

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

October 15, 2026

The Orc Hockey League #5

Single Pucking Orc

Honey Phillips

Fantasy · Cozy Fantasy · HEA Ending · Monster Romance · Orc

September 14, 2026

Monster Mercenary Mates #10

Seduced by the Alien Mercenary

Robin O'Connor

Science Fiction · Alien Romance · Enemies To Lovers · HEA Ending · Monster Romance

June 30, 2026

Harmony Glen

Gargoyled at First Sight

Ava Ross

Fantasy · Cozy Fantasy · Gargoyle · Monster Romance · Paranormal Fantasy

May 11, 2026

Brides of the Lonesome Creek Orcs #6

Giddy Up Orc Cowboy

Ava Ross

Fantasy · Monster Romance · Orc · Adult · Romance

January 1, 2026

Sunshine Valley Orcs #1

The Orc's Protection

Alana Khan

Fantasy · Science Fiction · Monster Romance · Orc · Romantasy

June 28, 2026

Monster Mate Mayhem

Hot Wolf in the Country

Honey Phillips

Fantasy · Cozy Fantasy · Monster Romance · Paranormal Fantasy · Paranormal Romance

January 1, 2026

Xarc'n Warriors #14

Chosen by the Hunter

Lynnea Lee

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

March 19, 2026

Dirty Duet

Alana Khan

Adult · Romance

January 11, 2026

Monsters in Uniform Romance

The Troll's Summer Flame

S.C. Principale

Fantasy · Monster Romance · Paranormal Fantasy · Romantasy · Troll

August 20, 2026

Cobalt Empire #2

Silver Sweet

Krista Ritchie, Becca Ritchie

Adult · Romance

August 4, 2026

The Oak and Holly Cycle #3

The Raven at the Ash Door

K.A. Linde

Fantasy · Dystopia · Adult

June 16, 2026

Time of Iron #2

All Hail Chaos

Sarah Rees Brennan

Fantasy · Adult · Romance

May 12, 2026

Taurus Ranch #1

Save a Horse, Ride a Cow Man

Emily Antoinette

Minotaur · Monster Romance · Slow Burn Romance · Adult · Romance

May 15, 2026

Starlight Alien Mail Order Brides #10

Rock Hard Alien

Skye MacKinnon

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

September 3, 2026

Bred by the Beast

Annee Jones

Fantasy · Fairy Tale Retellings · Forced Proximity · HEA Ending · Monster Romance

August 13, 2026

Treasured by the Alien #15

Return of the Alien Warrior

Honey Phillips

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

May 24, 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