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.

1,402 Results

1,402 Results

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
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 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
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
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
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
Resistance
Resistance

Resistance

Josephine Boyce
$15.99
The Devil's Engine: Hellwalkers: (Book 3)
-27%
The Devil's Engine: Hellwalkers: (Book 3)

The Devil's Engine: Hellwalkers: (Book 3)

Alexander Gordon Smith
$26.99
$36.99
Station Fosaan
-20%
Station Fosaan

Station Fosaan

Dee Garretson
$11.99
$15.00
Rebels: City of Indra: The Story of Lex and Livia
-27%
Rebels: City of Indra: The Story of Lex and Livia

Rebels: City of Indra: The Story of Lex and Livia

Kendall Jenner, Kylie Jenner, Elizabeth Killmond-Roman
$15.99
$21.99
Beyond the Ever Reach
-20%
Beyond the Ever Reach

Beyond the Ever Reach

Everly Frost
$11.99
$14.99
Whitechapel, 1888 (The Symbiont Time Travel Adventures Series, Book 3)
-6%
Whitechapel, 1888 (The Symbiont Time Travel Adventures Series, Book 3)

Whitechapel, 1888 (The Symbiont Time Travel Adventures Series, Book 3)

T. L. B. Wood
$15.99
$16.99
Tombstone, 1881 (The Symbiont Time Travel Adventures Series, Book 2)
-6%
Tombstone, 1881 (The Symbiont Time Travel Adventures Series, Book 2)

Tombstone, 1881 (The Symbiont Time Travel Adventures Series, Book 2)

T. L. B. Wood
$15.99
$16.99
The Reign of Hudich Part I (Max and the Gatekeeper Book V)
The Reign of Hudich Part I (Max and the Gatekeeper Book V)

The Reign of Hudich Part I (Max and the Gatekeeper Book V)

James Todd Cochrane
$9.99
Daniel X: Lights Out
-24%
Daniel X: Lights Out

Daniel X: Lights Out

James Patterson, Chris Grabenstein
$24.99
$32.99
Daniel X: Lights Out
-25%
Daniel X: Lights Out

Daniel X: Lights Out

James Patterson, Chris Grabenstein
$26.99
$35.99
Elusion
-20%
Elusion

Elusion

Claudia Gabel, Cheryl Klam
$7.99
$9.99
Tarizon: Shroud of Doom
-8%
Tarizon: Shroud of Doom

Tarizon: Shroud of Doom

William Manchee
$11.99
$13.00
Black Hole Sun
-19%
Black Hole Sun

Black Hole Sun

David Macinnis Gill
$12.99
$15.99
Firestorm
-25%
Firestorm

Firestorm

David Klass
$17.99
$23.99
Hole in the Sky
-16%
Hole in the Sky

Hole in the Sky

Pete Hautman
$9.99
$11.95
A Song of Sparrows and Starlight
-11%
A Song of Sparrows and Starlight

A Song of Sparrows and Starlight

Pearl Z. Armeni
$16.99
$18.99
Lilly and the Ruby Door
-20%
Lilly and the Ruby Door

Lilly and the Ruby Door

A. P. Koski
$11.99
$14.99
NOVASTAR (The Lost Space Treasure Series, Book 6): A Teen Space Opera
-25%
NOVASTAR (The Lost Space Treasure Series, Book 6): A Teen Space Opera

NOVASTAR (The Lost Space Treasure Series, Book 6): A Teen Space Opera

Rae Knightly
$17.99
$23.99
Plagued Beginnings
Plagued Beginnings

Plagued Beginnings

Nikki Brooke
$9.99
Drachenlied: Das Tor
-10%
Drachenlied: Das Tor

Drachenlied: Das Tor

Jo Brode
$17.99
$20.00
Wilbur Northcutt and the Boonesborough Fall
-28%
Wilbur Northcutt and the Boonesborough Fall

Wilbur Northcutt and the Boonesborough Fall

Jackie L. Smith
$12.99
$17.99
Welcome to Universe X: Mysteries of the Hunters Revealed
-28%
Welcome to Universe X: Mysteries of the Hunters Revealed

Welcome to Universe X: Mysteries of the Hunters Revealed

Scarlett Huntex
$17.99
$25.00
Ashlyn and her Bodyguard 3: Leah's Last Secret
-7%
Ashlyn and her Bodyguard 3: Leah's Last Secret

Ashlyn and her Bodyguard 3: Leah's Last Secret

Ashlie Parfitt
$12.99
$13.99