Surprise Castle
/Books/Sci-Fi/Space Opera/Young Adult

Young Adult - Space Opera Sci-Fi

Young Adult – YA space opera with teen heroes, futuristic worlds, and coming-of-age journeys.

356 Results

356 Results

Endgame: The Complete Zero Line Chronicles
-20%
Endgame: The Complete Zero Line Chronicles

Endgame: The Complete Zero Line Chronicles

James Frey
$7.99
$9.99
Freedom's Choice
-13%
Freedom's Choice

Freedom's Choice

Anne McCaffrey
$6.99
$7.99
Star Trek: New Frontier: No Limits Anthology
-23%
Star Trek: New Frontier: No Limits Anthology

Star Trek: New Frontier: No Limits Anthology

$19.99
$25.95
Avalon
-20%
Avalon

Avalon

Mindee Arnett
$7.99
$9.99
The Rift Blade
-24%
The Rift Blade

The Rift Blade

Jeremy M. Simmons
$12.99
$16.99
Interior Design for Intergalactic Travelers: A Saturday Morning Cartoon Sci-Fi Romp
-24%
Interior Design for Intergalactic Travelers: A Saturday Morning Cartoon Sci-Fi Romp

Interior Design for Intergalactic Travelers: A Saturday Morning Cartoon Sci-Fi Romp

Dana Fraedrich
$15.99
$20.99
Aries I - The King of Mars
-25%
Aries I - The King of Mars

Aries I - The King of Mars

Jeremy D. Scholz
$14.99
$19.99
The Chronicles of Atlantis
-24%
The Chronicles of Atlantis

The Chronicles of Atlantis

Paul R. Riggs
$12.99
$16.99
The Exodus: The Definitive Edition
-30%
The Exodus: The Definitive Edition

The Exodus: The Definitive Edition

Desmond Joseph Shipps
$15.99
$22.93
Aiko's Dive
Aiko's Dive

Aiko's Dive

Chase Gamwell
$11.99
Richard: An Unlikely Love Story Revised
-7%
Richard: An Unlikely Love Story Revised

Richard: An Unlikely Love Story Revised

Michael Hickman
$13.99
$14.99
The Stars We Steal
-19%
The Stars We Steal

The Stars We Steal

Alexa Donne
$12.99
$15.99
Sitaron ke Qaidi: (Kids Science Fiction)
-24%
Sitaron ke Qaidi: (Kids Science Fiction)

Sitaron ke Qaidi: (Kids Science Fiction)

Zafar Payami
$12.99
$16.99
Made of Stars
-26%
Made of Stars

Made of Stars

Jenna Voris
$13.99
$18.99
A Confusion of Princes
-20%
A Confusion of Princes

A Confusion of Princes

Garth Nix
$7.99
$9.99
Light Years
-26%
Light Years

Light Years

Kass Morgan
$13.99
$18.99
A Most Unlikely Hero, Volume 1
-8%
A Most Unlikely Hero, Volume 1

A Most Unlikely Hero, Volume 1

Brandon Varnell
$11.99
$13.00
Lucy
-20%
Lucy

Lucy

L. J. Black
$7.99
$9.99
The Moons Of Morag
-26%
The Moons Of Morag

The Moons Of Morag

Mark Castleberry
$25.99
$34.99
Lily Starling and the Death Machine
-28%
Lily Starling and the Death Machine

Lily Starling and the Death Machine

Christian Hurst
$12.99
$17.99
Against the Red Sky Mission X
-25%
Against the Red Sky Mission X

Against the Red Sky Mission X

Kristen Illarmo
$14.99
$20.00
The Rebellion
-23%
The Rebellion

The Rebellion

Celine Rose Mariotti
$9.99
$12.95
Lily Starling and the Storm Riders
-28%
Lily Starling and the Storm Riders

Lily Starling and the Storm Riders

Christian Hurst
$12.99
$17.99
Rising
-20%
Rising

Rising

O. McCarthy
$11.99
$14.99
Stars, Hide Your Fires: A Young Adult Science Fiction Novel
-25%
Stars, Hide Your Fires: A Young Adult Science Fiction Novel

Stars, Hide Your Fires: A Young Adult Science Fiction Novel

Amy Sundberg
$14.99
$19.99
Spaceports & Spidersilk February 2025
-18%
Spaceports & Spidersilk February 2025

Spaceports & Spidersilk February 2025

$8.99
$10.95
Wherever the Stars Call
-6%
Wherever the Stars Call

Wherever the Stars Call

S. Jean
$16.99
$17.99
Spaceports & Spidersilk October 2024
-16%
Spaceports & Spidersilk October 2024

Spaceports & Spidersilk October 2024

$9.99
$11.95
Children of Fina
Children of Fina

Children of Fina

Gabriel Anthony Lopez
$10.99
Power Play: A Saga of the Year 2290
-5%
Power Play: A Saga of the Year 2290

Power Play: A Saga of the Year 2290

C. L. Roberts
$17.99
$18.99
Ant and Cleo Book 1
Ant and Cleo Book 1

Ant and Cleo Book 1

Dominic Green
$8.99
Fate Born: Secrets of Sratta
-11%
Fate Born: Secrets of Sratta

Fate Born: Secrets of Sratta

Michelle L. Robison
$23.99
$26.99
The Quantum Trio
-7%
The Quantum Trio

The Quantum Trio

Atharv Garg
$13.99
$14.99
An Ocean of Stars
-6%
An Ocean of Stars

An Ocean of Stars

Becca Mionis
$15.99
$16.99
Xenure Station Trilogy
-27%
Xenure Station Trilogy

Xenure Station Trilogy

Maria P. Frino
$23.99
$32.99
Sentinel
-12%
Sentinel

Sentinel

Seb Woodland
$21.99
$24.99
The Greatest Science Fiction Works of Philip K. Dick: Second Variety, The Variable Man, Adjustment Team, The Eyes Have It, The Unreconstructed M...
-22%
The Greatest Science Fiction Works of Philip K. Dick: Second Variety, The Variable Man, Adjustment Team, The Eyes Have It, The Unreconstructed M...

The Greatest Science Fiction Works of Philip K. Dick: Second Variety, The Variable Man, Adjustment Team, The Eyes Have It, The Unreconstructed M...

Philip K. Dick
$14.99
$19.30
The Pirates of Ersatz (Sci-Fi Space Opera): A Space Opera
-14%
The Pirates of Ersatz (Sci-Fi Space Opera): A Space Opera

The Pirates of Ersatz (Sci-Fi Space Opera): A Space Opera

Murray Leinster
$7.99
$9.30
Embargo on Hope
-26%
Embargo on Hope

Embargo on Hope

Justin Doyle
$13.99
$18.99
Trouble in the Floating City: Book 1 in the Zoboros Series
-25%
Trouble in the Floating City: Book 1 in the Zoboros Series

Trouble in the Floating City: Book 1 in the Zoboros Series

Michael Ciccarelli-Walsh
$14.99
$19.99
The Ancient Nemesis
-6%
The Ancient Nemesis

The Ancient Nemesis

Eric Wilkins
$15.99
$16.99
A Most Unlikely Hero, Volume 8
-8%
A Most Unlikely Hero, Volume 8

A Most Unlikely Hero, Volume 8

Brandon Varnell
$11.99
$13.00
Adam Exiled: Book Two
-7%
Adam Exiled: Book Two

Adam Exiled: Book Two

Nicholas Abdilla, Chris Stead
$11.99
$12.93
Mila Hildebrand is Forever Not Yours
Mila Hildebrand is Forever Not Yours

Mila Hildebrand is Forever Not Yours

Sandra L. Vasher
$6.99
Star Spark
Star Spark

Star Spark

Day Leitao
$16.99
The Day They Made Contact
-21%
The Day They Made Contact

The Day They Made Contact

Luis M. Cruz
$10.99
$13.99
Skylar Mars and the Floating Islands
-20%
Skylar Mars and the Floating Islands

Skylar Mars and the Floating Islands

Drew Seren
$7.99
$9.99
The Mystery of the Flying Saucer
-5%
The Mystery of the Flying Saucer

The Mystery of the Flying Saucer

Dennis Durbin
$17.99
$18.99