Most Popular Science Fiction Books of 2026

Discover popular Science Fiction books published in 2026, with reader ratings and new favorites to explore.

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Books in this list

The Common #3

Wolfskin

Jeremy Szal

Science Fiction · Space Opera

March 26, 2026

Spaceship Mechanic #3

Ray Guns and Late Fees

Jamie McFarlane

Science Fiction · Space Opera

June 1, 2026

Oath of the Survivor #5

Oath of the Survivor 5

James Meyer

Science Fiction · Cyberpunk · LitRPG · Post-Apocalyptic

September 16, 2026

Starship of the Ancients #4

Last Stand

A.K. DuBoff

Science Fiction · Space Opera

April 24, 2026

Galaxy's Edge #25

Fracture

Jason Anspach, Nick Cole

Science Fiction · Military Science Fiction · War & Military

May 26, 2026

First Command #4

Fourth Wave

Michael Simon

Science Fiction

May 12, 2026

The Nibelung series #2

Wolfpack Hunt

Taylor M. S. Thomson

Science Fiction · Hard Science Fiction

September 29, 2026

The Last Contract of Isako

Fonda Lee

Fantasy · Science Fiction

May 5, 2026

Rich Man's Sky #4

Thieves' Sky

Wil McCarthy

Science Fiction · Hard Science Fiction

July 7, 2026

In Death #63

Fury in Death

J. D. Robb

Science Fiction · Romance · Thriller

September 8, 2026

Starlight Alien Mail Order Brides #10

Rock Hard Alien

Skye MacKinnon

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

September 3, 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

Sci-Fi Holiday Specials

The Alien Warrior's Valentine

Robin O'Connor

Science Fiction · Alien Romance · Adult · Valentine's Day Fiction · Romance

February 14, 2026

Monster Mercenary Mates #9

Stalked by the Alien Mercenary

Robin O'Connor

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

April 14, 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

Sunshine Valley Orcs #4

The Orc's Word

Alana Khan

Fantasy · Science Fiction · Forced Proximity · Monster Romance · Orc

November 29, 2026

Starlight Alien Mail Order Brides #12

Hard Core Alien

Skye MacKinnon

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

November 19, 2026

Starlight Alien Mail Order Brides #11

Stone Cold Alien

Skye MacKinnon

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

October 22, 2026

Sunshine Valley Orcs #2

The Orc's Gift

Alana Khan

Fantasy · Science Fiction · HEA Ending · Monster Romance · Orc

July 26, 2026

Monster Mercenary Mates #11

Desired by the Alien Mercenary

Robin O'Connor

Science Fiction · Alien Romance · Enemies To Lovers · Fated Mates · HEA Ending

December 18, 2026

The ABCs of Alien Abduction #3

C is for Captive

Honey Phillips

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

August 20, 2026

Monsters and Margaritas #11

Vacation With The Alien Devil

Kate Sinner

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

May 9, 2026

Xarc'n Warriors

Hunter's Harvest

Lynnea Lee

Science Fiction · Alien Romance · Dystopia · HEA Ending · Post-Apocalyptic

October 8, 2026

Sunshine Valley Orcs #3

The Orc's Comfort

Alana Khan

Fantasy · Science Fiction · Forced Proximity · Monster Romance · Orc

August 30, 2026

The Billion Worlds #4

The Ishtar Deception

James L. Cambias

Science Fiction

June 2, 2026

Alien Wolf Tales #7

Alien Awakening

Honey Phillips

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

March 12, 2026

The ABCs of Alien Abduction #2

B is for Bonded

Honey Phillips

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

July 30, 2026

Morningstar #5

Shadowed Glory

Christopher G. Nuttall

Science Fiction · Space Opera

July 13, 2026

The Tunnels

Ian Watson

Fantasy · Science Fiction

February 26, 2026

The Delivery

Gregg Hurwitz

Science Fiction · Hard Science Fiction · Psychological Thriller · Suspense Thriller · Thriller

July 1, 2026

Dragons on Mars #2

Ice Dragon's Heart

Honey Phillips

Science Fiction · Alien Romance · Dragons · Forced Proximity · HEA Ending

July 12, 2026

Dragons on Mars #1

Last Dragon on Mars

Honey Phillips

Science Fiction · Cyborg Romance · Dragons · Adult · Shapeshifters

April 26, 2026

Most Wanted Alien Brides #9

Ward

Candice Gilmer

Science Fiction · Alien Romance · Forced Proximity · HEA Ending · Romance

October 8, 2026

GAL Friday #2

Badass Alien Boss

Cara Bristol

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

August 10, 2026