Most Popular Science Fiction Books of 2026

Dragons on Mars #3

River Dragon's Song

Honey Phillips

Science Fiction · Dragons · Shapeshifters · Romance · Western

October 11, 2026

Parallax

Jeremy Robinson

Science Fiction

April 28, 2026

Ransom's Renegades #1

Unlawful Orders

Rick Partlow

Science Fiction · Military Science Fiction

July 14, 2026

Squad Kill

Jack Campbell

Science Fiction · Military Science Fiction

May 5, 2026

Cyborgs on Mars

High Noon Cyborg

Honey Phillips

Science Fiction · Cyborg Romance · Adult · Romance · Western

April 19, 2026

Orcs Love Curvy Girls #3

Orcs Do It Wilder

Michele Mills

Fantasy · Science Fiction · Monster Romance · Paranormal Romance · Slow Burn Romance

March 24, 2026

The Vrix #3

The Hunter

Tiffany Roberts

Science Fiction · Alien Romance · Romance

September 16, 2026

Blue Star Enterprises #2

Eden's End

M.J. Markgraf

Science Fiction · Space Opera · Self-published

January 27, 2026

The Commons World #1

The Commons

Rebecca Ihim

Fantasy · Science Fiction · Dystopia

September 17, 2026

Infinity Upgrade #4

Memory Overload

J.N. Chaney, Rachel Aukes

Science Fiction · Dystopia · Science Fantasy

August 23, 2026

Infinity Upgrade #3

Expansion Pack

J.N. Chaney, Rachel Aukes

Science Fiction · Dystopia · Science Fantasy

July 5, 2026

Browning's Gambit #1

Against Orders

Ken Lozito

Science Fiction · Military Science Fiction

July 15, 2026

The Only Way Out Is Up #1

The Only Way Out Is Up

Django Wexler

Fantasy · Science Fiction · LitRPG

September 29, 2026

The Sixth Faction #1

The Sixth Faction

Veronica Roth

Science Fiction · Dystopia · Young Adult

October 6, 2026

Not with a Bang

Temi Oh

Horror · Science Fiction

July 14, 2026

Ode to the Half-Broken

Suzanne Palmer

Science Fiction

May 26, 2026

Radiant Star

Ann Leckie

Science Fiction

May 12, 2026

Undying Mercenaries #26

Spawn World

B. V. Larson

Science Fiction · Hard Science Fiction · Space Opera

September 19, 2026

House Adamant #6

Wildcard

Glynn Stewart

Science Fiction · Space Opera

November 26, 2026

Ascending Carbon Series #3

Ascending Carbon Book 3

Douglas Phillips

Science Fiction

2026

Exit Party

Emily St. John Mandel

Science Fiction

September 15, 2026

The Radiant Dark

Alexandra Oliva

Science Fiction

April 28, 2026

Hell's Heart

Alexis Hall

Horror · Science Fiction

March 10, 2026

The Frost Trilogy #2

Frost in the Battery

M.P. Kozlowsky

Science Fiction · Dystopia · Young Adult

January 27, 2026

Antecedents' Legacy #7

Origin's Signal

Daniel Schinhofen

Science Fiction

August 1, 2026

The People's Library

Veronica G. Henry

Fantasy · Science Fiction

February 1, 2026

Starship's Mage #19

Alien Olympus

Glynn Stewart

Science Fiction · Space Opera

July 23, 2026

USS Hamilton #17

USS Thunderhead

Mark Wayne McGinnis

Science Fiction · Space Opera

April 12, 2026

Elder Race #2

Engines of Reason

Adrian Tchaikovsky

Science Fiction

September 1, 2026

Awakened From the Ice #7

Thawed Gladiator: Draco

Alana Khan

Science Fiction · Slow Burn Romance · Adult · Romance

February 1, 2026

Orion Spur #5

Deceptive Betrayal

John Spearman

Science Fiction · Military Science Fiction

March 10, 2026

Claimed by the Morrak #1

Bonded in War and Starlight

Leann Ryans

Science Fiction · Romance

January 18, 2026

Manaforged Robotics #2

Icerend

Playwars aka Alex S. Weber

Fantasy · Science Fiction · Steampunk

May 5, 2026

Interstellar Birthright #3

Sands of Vengeance

Marc Stapleton

Science Fiction · Adventure

March 26, 2026

Arcane Galaxy #1

Chaos Protocols

Troy Osgood

Science Fiction · LitRPG

April 28, 2026

Lost Starship Series #25

The Lost Maddox

Vaughn Heppner

Science Fiction · Space Opera

April 22, 2026