Surprise Castle
/Books/Sci-Fi/Young Adult/Action & Adventure

Action & Adventure - YA Sci-Fi

Action & Adventure – YA sci-fi packed with thrilling missions, danger, and fast-paced quests.

1308 Results

1308 Results

The Gronox Wars
The Gronox Wars

The Gronox Wars

Marilynn Dawson
$7.99
The Thorn
-7%
The Thorn

The Thorn

Joseph Noll
$13.99
$14.99
Orbital Burn
-23%
Orbital Burn

Orbital Burn

K. A. Bedford
$12.99
$16.95
People of the Storm
-20%
People of the Storm

People of the Storm

Hrb Collotzi
$11.99
$14.98
The Crown of Light: An Ancient Legend, a Lovestruck Heroine, a Journey for Peace
-5%
The Crown of Light: An Ancient Legend, a Lovestruck Heroine, a Journey for Peace

The Crown of Light: An Ancient Legend, a Lovestruck Heroine, a Journey for Peace

Rivera Sun
$20.99
$21.99
The Days of Myth
The Days of Myth

The Days of Myth

Otto Schafer
$21.99
Dogs of Doom
-25%
Dogs of Doom

Dogs of Doom

Bronwyn LeRoux
$14.99
$19.99
Tripp Unleashed
-28%
Tripp Unleashed

Tripp Unleashed

Darren Simon
$17.99
$25.00
Code Red
-4%
Code Red

Code Red

Marissa Slaven
$21.99
$22.99
Searching for Sparrow
-5%
Searching for Sparrow

Searching for Sparrow

K. A. Emmons
$18.99
$19.99
Sentinel
-12%
Sentinel

Sentinel

Seb Woodland
$21.99
$24.99
Embargo on Hope
-26%
Embargo on Hope

Embargo on Hope

Justin Doyle
$13.99
$18.99
Holding the Fort: The Fatal Error
-8%
Holding the Fort: The Fatal Error

Holding the Fort: The Fatal Error

Ryan Peek
$23.99
$25.99
Dual Earth: The Experiment
-27%
Dual Earth: The Experiment

Dual Earth: The Experiment

Mary-Louise Hurford
$15.99
$21.99
Robin Hood, 1192 (The Symbiont Time Travel Adventures Series, Book 7)
-6%
Robin Hood, 1192 (The Symbiont Time Travel Adventures Series, Book 7)

Robin Hood, 1192 (The Symbiont Time Travel Adventures Series, Book 7)

T. L. B. Wood
$15.99
$16.99
Abyss
-11%
Abyss

Abyss

Katherine Armstrong Walters
$15.99
$17.99
Code Blue
-4%
Code Blue

Code Blue

Marissa Slaven
$21.99
$22.99
Ben Archer and the Toreq Son (The Alien Skill Series, Book 6)
-6%
Ben Archer and the Toreq Son (The Alien Skill Series, Book 6)

Ben Archer and the Toreq Son (The Alien Skill Series, Book 6)

Rae Knightly
$16.99
$17.99
Year 2059: Transmutation
Year 2059: Transmutation

Year 2059: Transmutation

Naif Makmi
$6.99
Seasons: Book three of The Tripper Series
-20%
Seasons: Book three of The Tripper Series

Seasons: Book three of The Tripper Series

C. M. Halstead
$7.99
$10.00
The Lifespan of Starlight
-20%
The Lifespan of Starlight

The Lifespan of Starlight

Thalia Kalkipsakis
$11.99
$15.00
Split Infinity
-20%
Split Infinity

Split Infinity

Thalia Kalkipsakis
$11.99
$15.00
The Moon's Last Fortress
-6%
The Moon's Last Fortress

The Moon's Last Fortress

Christopher Bulis
$14.99
$16.00
The Bridge
-8%
The Bridge

The Bridge

Steven K. Smith
$11.99
$12.99
A Conspiracy to Murder, 1865 (The Symbiont Time Travel Adventures Series, Book 6): Young Adult Time Travel Adventure
-6%
A Conspiracy to Murder, 1865 (The Symbiont Time Travel Adventures Series, Book 6): Young Adult Time Travel Adventure

A Conspiracy to Murder, 1865 (The Symbiont Time Travel Adventures Series, Book 6): Young Adult Time Travel Adventure

T. L. B. Wood
$15.99
$16.99
Green World Gray
-20%
Green World Gray

Green World Gray

Marianne Modica
$11.99
$14.99
LEON SPARKS and The Spear of Ares
-13%
LEON SPARKS and The Spear of Ares

LEON SPARKS and The Spear of Ares

Sean Tudor
$12.99
$14.99
Slide: A YA Dystopian Space Adventure (Book Two of The Crimson Dust Cycle)
-20%
Slide: A YA Dystopian Space Adventure (Book Two of The Crimson Dust Cycle)

Slide: A YA Dystopian Space Adventure (Book Two of The Crimson Dust Cycle)

J. S. Arquin
$11.99
$14.99
Uninvited
-20%
Uninvited

Uninvited

Sophie Jordan
$7.99
$9.99
The Recruit
The Recruit

The Recruit

Steven K. Smith
$11.99
The Experiment Known as Rose Marie Hernandez Willamson
-13%
The Experiment Known as Rose Marie Hernandez Willamson

The Experiment Known as Rose Marie Hernandez Willamson

Louise Robertson
$13.99
$15.99
The Broken Time Machine
-14%
The Broken Time Machine

The Broken Time Machine

Craig B. Phillips
$8.99
$10.50
Blurred Vision: A Polly Hart Chronicle
-5%
Blurred Vision: A Polly Hart Chronicle

Blurred Vision: A Polly Hart Chronicle

Steve Harrison
$18.99
$20.00
Chasing the Shadows
-26%
Chasing the Shadows

Chasing the Shadows

Maria V. Snyder
$13.99
$18.95
Stranded in Space (The Enchanted Coin Series, Book 4)
-8%
Stranded in Space (The Enchanted Coin Series, Book 4)

Stranded in Space (The Enchanted Coin Series, Book 4)

Bob Doerr
$11.99
$12.99
Hunted
-8%
Hunted

Hunted

Jo Ho
$23.99
$25.99
Beyond the Longcase Clock
-7%
Beyond the Longcase Clock

Beyond the Longcase Clock

Hayley Patton
$12.99
$13.99
The Pirate Curse
The Pirate Curse

The Pirate Curse

Mason Stone
$10.99
Fire
-8%
Fire

Fire

Aiki Flinthart
$22.99
$24.99
Johnny Apocalypse and Fight for a New World
-24%
Johnny Apocalypse and Fight for a New World

Johnny Apocalypse and Fight for a New World

Mark Robijn
$12.99
$16.99
The Denounced: Book 2 Shifting Horizons
The Denounced: Book 2 Shifting Horizons

The Denounced: Book 2 Shifting Horizons

Sj Sherwood
$10.99
The Chronicles of Henry Roach-Dairier: The Inception of the Combined Colonies
-25%
The Chronicles of Henry Roach-Dairier: The Inception of the Combined Colonies

The Chronicles of Henry Roach-Dairier: The Inception of the Combined Colonies

Deborah K. Frontiera
$11.99
$15.95
Wanted
-8%
Wanted

Wanted

Jo Ho
$23.99
$25.99
Haunted
-8%
Haunted

Haunted

Jo Ho
$23.99
$25.99
Gemp
-11%
Gemp

Gemp

J. Carrell Jones
$7.99
$8.99
The Hunter Trials: (Red Star Trilogy Book 1): The higher you're born, the farther you fall
-5%
The Hunter Trials: (Red Star Trilogy Book 1): The higher you're born, the farther you fall

The Hunter Trials: (Red Star Trilogy Book 1): The higher you're born, the farther you fall

Mary Flint
$16.99
$17.95
The Lives We Lost
-6%
The Lives We Lost

The Lives We Lost

Megan Crewe
$15.99
$16.99
Resistance
Resistance

Resistance

Josephine Boyce
$15.99