Most Popular Science Fiction Books of the 2020s

Discover popular Science Fiction books from the 2020s, with reader ratings and new favorites to explore.

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Books in this list

Serpents of Serant #6

The Naga Inventor's Clever Mate

Robin O'Connor

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

October 22, 2024

Alien Abduction #23

Willow and the Wraith

Honey Phillips

Science Fiction · Alien Romance · Adult · Romance

August 22, 2024

Back Away From My Girl

Guarded by an Alien Assassin

Honey Phillips

Science Fiction · Alien Romance · Romance

October 28, 2024

Holiday Heartmates #4

Haunted by the Alien

Julie K. Cohen

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

September 19, 2024

Eudoxia

Hydorian Reign (Eudoxia #1-3)

Vilyn DeVine

Science Fiction · Anthology · Romance

February 1, 2024

Forbidden Bonds #5

Alien in Disguise

Cara Bristol

Science Fiction · Romance

May 20, 2024

Forbidden Bonds #4

Alien Disgraced

Cara Bristol

Science Fiction · Romance

February 12, 2024

At The Alien Hotel

Oh No, I Got Myself Abducted And Kissed An Alien Pirate

Kate Sinner

Science Fiction · Romance

February 6, 2024

At The Alien Hotel #1

Oh No, I Crashed A Spaceship And Kissed An Assassin

Kate Sinner

Science Fiction · Romance

March 13, 2024

Serpents of Serant #3

The Naga Warlord's Virgin Mate

Robin O'Connor

Science Fiction · Alien Romance · Naga · Adventure · Romance

May 9, 2024

Serpents of Serant #4

The Naga Maverick's Determined Mate

Robin O'Connor

Science Fiction · Alien Romance · Naga · Adventure · Romance

May 9, 2024

Serpents of Serant #5

The Naga Scavenger's Precious Mate

Robin O'Connor

Science Fiction · Alien Romance · Naga · Adventure · Romance

June 18, 2024

Starlight Brides

Alien Triton's Prize

Lynnea Lee

Science Fiction · Alien Romance · Mermaid · Monster Romance · Paranormal Romance

September 12, 2024

Backyard Starship #23

Killing Stroke

J.N. Chaney, Terry Maggert

Science Fiction · Space Opera

September 15, 2024

At The Alien Hotel #2

Oh No, I Stole An Alien Furball And Kissed A Beastmaster

Kate Sinner

Science Fiction · Alien Romance · Romance

August 14, 2024

An Alien Mate For Christmas

Melody Beckett

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

July 23, 2024

Horned Holidays #4

The Knotty Clause

Honey Phillips

Science Fiction · Alien Romance · Romance · Holiday/Seasonal

December 5, 2024

Alien Abduction #22

Vera and the Victor

Honey Phillips

Science Fiction · Alien Romance · Gargoyle · Adult · Romance

July 25, 2024

Alien Abduction #21

Unity and the Usurper

Honey Phillips

Science Fiction · Alien Romance · Adult · Romance

June 27, 2024

How the Aliens Were Won #8

Tomlin

Honey Phillips

Science Fiction · Alien Romance · Romance · Western

September 26, 2024

Treasured by the Alien #12

Hope for the Alien Warrior

Honey Phillips

Science Fiction · Alien Romance · Adult · Romance

November 24, 2024

My Monster, My Protector

Protected By The Alien Bodyguard

Kate Sinner

Science Fiction · Alien Romance · Romance

May 24, 2024

My Monster, My Protector

Protected by the Alien Mercenary

Robin O'Connor

Science Fiction · Romance

May 31, 2024

Orcs Unbound

Healed by the Orc

Robin O'Connor

Fantasy · Science Fiction · Monster Romance · Orc · Romance

September 10, 2024

Monster Mercenary Mates #2

Stolen by the Alien Mercenary

Robin O'Connor

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

August 13, 2024

Villains Do It Better

Rescued by the Alien Assassin

Robin O'Connor

Science Fiction · Romance

April 25, 2024

Abducted by the Ruthless Royal #8

Taken by the Gargoyle King

Robin O'Connor

Science Fiction · Romance

July 5, 2024

Cosmic Cinema

The Alien and I

Honey Phillips

Science Fiction · Romance

March 24, 2024

Kaleidian Warrior Dads

Secret Daughter for the Alien Warrior

Athena Storm

Science Fiction · Romance

April 11, 2024

Backyard Starship #22

Bright Red Line

J.N. Chaney, Terry Maggert

Science Fiction · Space Opera

August 4, 2024

Backyard Starship #21

Hand of Fate

J.N. Chaney, Terry Maggert

Science Fiction · Space Opera

May 26, 2024

Echoes of the Celestials #1

Star's Odyssey

Clint Green

Science Fiction

March 15, 2024

Backyard Starship #20

Point of Impact

J.N. Chaney, Terry Maggert

Science Fiction · Space Opera

April 7, 2024

Monster Bites #7

Her Alien Husband

Michele Mills

Science Fiction · Romance

March 28, 2024

Warhammer 40,000

The Lion

Mike Brooks

Science Fiction · Warhammer

January 16, 2024

Xarc'n Warriors #11

Craved by the Hunter

Lynnea Lee

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

January 4, 2024