The Best Science Fiction Books of 2025
Explore our list of 2025's most popular and upcoming books. Stay updated on the latest releases and discover your next favorite read today!
Visitors can browse up to 50 books in the list. Log in to see the full selection!
The Last Kids on Earth and the Destructor's Lair
(The Last Kids on Earth #10 / 11)
by Max Brallier
Release date: November 4, 2025
Big, Bad Alien
(Alien Wolf Tales #1 / 5)
Category: Science Fiction, Shapeshifters, Adult, Alien Romance, Fairy Tale Retellings, Fated Mates, Retellings, Romance
Release date: January 23, 2025
The Intus Invasion
(Battles of the Republic #1 / 3)
Category: Science Fiction, Space Opera
Release date: May 15, 2025
Lost Planet
(Starship of the Ancients #2 / 4)
by A.K. DuBoff
Category: Science Fiction, Space Opera
Release date: June 27, 2025
Eternal
(Codex Ananta #1 / 1)
by Soham Kale
Category: Science Fiction, Hard Science Fiction
Release date: August 29, 2025
Alien Huntsman
(Alien Wolf Tales #2 / 5)
Category: Science Fiction, Shapeshifters, Adult, Alien Romance, Fairy Tale Retellings, Monster Romance, Retellings, Romance
Release date: March 20, 2025
Double Bind
(Cosmic Mates #6 / 8)
by Cara Bristol
Category: Science Fiction, Romance
Release date: March 31, 2025
Taken by the Alien Triton King
(Abducted by the Ruthless Royal: Planet Sanos)
Category: Science Fiction, Fantasy, Adult, Post-Apocalyptic, Alien Romance, Fated Mates, Novella, Romance, Abduction
Release date: June 4, 2025
The Naga Shaman's Pregnant Mate
(Serpents of Serant #8 / 9)
Category: Science Fiction, Paranormal Romance, Adult, Alien Romance, Naga, Monster Romance, Romantasy, Fated Mates, Romance, Adventure
Release date: July 1, 2025
Cursed Alien
(Alien Wolf Tales #4 / 5)
Category: Science Fiction, Shapeshifters, Adult, Alien Romance, Fairy Tale Retellings, Retellings, Romance
Release date: May 22, 2025
Thankful for My Orc
(OrcFire #8 / 9)
by Alana Khan
Category: Science Fiction, Fantasy, Adult, Monster Romance, Thanksgiving Fiction, Orc, Romantasy, Holiday/Seasonal, Romance
Release date: October 26, 2025
Enticed by the Alien Chef
(Gladiators of the Vagabond)
Category: Science Fiction, Paranormal Romance, Adult, Alien Romance, Fated Mates, Novella, Romance, Abduction
Release date: September 16, 2025
Oh No, I Carved A Pumpkin And Kissed An Alien Diplomat
(At The Alien Hotel #4 / 4)
by Kate Sinner
Category: Science Fiction, Alien Romance, Halloween Fiction, Novella, Holiday/Seasonal, Romance, Humor, Abduction
Release date: October 29, 2025
Fist of Orion
(Backyard Starship #25 / 30)
Category: Science Fiction, Space Opera
Release date: January 15, 2025
Wolves Among the Stars
(Backyard Starship #26 / 30)
Category: Science Fiction, Space Opera
Release date: March 23, 2025
The Pilot
(The Last Horizon #4 / 5)
by Will Wight
Category: Science Fiction, Fantasy
Release date: July 1, 2025
Fire Team Nomad
(Operator Chronicles #2 / 3)
by Will Crudge
Category: Science Fiction, Military Science Fiction
Release date: November 11, 2025
Trial by Fire
(Rise of a Legend #1 / 1)
by Riech Cruz
Category: Science Fiction, Romance
Release date: January 27, 2025
Stranded
(Starship of the Ancients #1 / 4)
by A.K. DuBoff
Category: Science Fiction, Space Opera
Release date: February 7, 2025
Her Enemy Dragon Captor
(Dream Team Shifters #5 / 5)
by Leela Ash
Category: Science Fiction, Fantasy, Paranormal Romance, Dragons, Shapeshifters, Adult, Alien Romance, Fated Mates, Romance
Release date: April 14, 2025
The League of Extraordinary Gentlemen
(The League of Extraordinary Gentlemen)
Release date: February 3, 2025
Romancing the Alien 10 Year Anniversary Bundle
(Intergalactic Dating Agency)
by Demelza Carlton, Kate Rudolph, Sophie Stern, Michelle M. Pillow, Skye MacKinnon, Sue Mercury, Candice Gilmer, Tamsin Ley, Elsa Jade
Category: Science Fiction, Anthology, Collection, Dragons, Shapeshifters, Adult, Alien Romance, Fated Mates, Cyborg Romance, Romance, Abduction
Release date: June 16, 2025
Double Take
(Cosmic Mates #5 / 8)
by Cara Bristol
Category: Science Fiction, Romance
Release date: February 24, 2025
Rook
(Dragon Brides #11 / 13)
by Kate Rudolph
Category: Science Fiction, Fantasy, Dragons, Shapeshifters, Adult, Alien Romance, Fated Mates, Romance, Abduction
Release date: September 1, 2025
Visitors can browse up to 50 books in the list. Log in to see the full selection!