Book picks similar to
Horizon by Scott Westerfeld


science-fiction
adventure
middle-grade
young-adult

A Mutiny in Time


James Dashner - 2012
    Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that history has gone disastrously off course.Now it's up to Dak, Sera, and teenage Hystorian-in-training Riq to travel back in time to fix the Great Breaks . . . and to save Dak's missing parents while they're at it. First stop: Spain, 1492, where a sailor named Christopher Columbus is about to be thrown overboard in a deadly mutiny!

The Maze of Bones


Rick Riordan - 2008
    When their beloved aunt--matriarch of the world's most powerful family--dies, orphaned siblings Amy and Dan Cahill compete with less honorable Cahill descendants in a race around the world to find cryptic clues to a mysterious fortune.Book includes game cards which the reader may use to play an online version of the treasure hunt.

Loot


Jude Watson - 2014
    It's Alfie McQuinn, the notorious cat burglar, and he's dying. As sirens wail in the distance, Alfie manages to get out two last words to his young son, March: "Find jewels."But March learns that his father is not talking about a stash of loot. He's talking about Jules, the twin sister March never knew he had. No sooner than the two find each other, they're picked up by the police and sent to the world's worst orphanage. It's not prison, but it feels like it.March and Jules have no intention of staying put. They know their father's business inside and out, and they're tired of being pushed around. Just one good heist, and they'll live the life of riches and freedom most kids only dream about.Watch out! There are wild kids on the loose and a crime spree coming . . .

The Mark of the Dragonfly


Jaleigh Johnson - 2014
    Which means a reward for Piper if she can get the girl home. The one sure way to the Territories is the 401, a great old beauty of a train. But a ticket costs more coin than Piper could make in a year. And stowing away is a difficult prospect--everyone knows that getting past the peculiar green-eyed boy who stands guard is nearly impossible. Life for Piper just turned dangerous. A little bit magical. And very exciting, if she can manage to survive the journey.

Sky Raiders


Brandon Mull - 2014
    But he dives after friends whisked away to The Outskirts.The five kingdoms lie in between - wakefulness and dreaming, reality and imagination, life and death. Some people are born there. Some find their way there from other worlds.And once people are in the Outskirts, they find it very hard to leave.With the magic of the Outskirts starting to unravel, Cole and an unusual girl named Mira must rescue his friends, set things right in the Outskirts, and hopefully find his way back home…before his existence is forgotten.

Squirrel Meets World


Shannon Hale - 2017
    She must start at a new school, make new friends, and continue to hide her tail. Yep, Doreen has the powers of . . . a squirrel! After failing at several attempts to find her new BFF, Doreen feels lonely and trapped, liked a caged animal. Then one day Doreen uses her extraordinary powers to stop a group of troublemakers from causing mischief in the neighborhood, and her whole life changes. Everyone at school is talking about it! Doreen contemplates becoming a full-fledged Super Hero. And thus, Squirrel Girl is born! She saves cats from trees, keeps the sidewalks clean, and dissuades vandalism. All is well until a real-life Super Villain steps out of the shadows and declares Squirrel Girl his archenemy. Can Doreen balance being a teenager and a Super Hero? Or will she go . . . NUTS?

Museum of Thieves


Lian Tanner - 2010
    Like every child in the city, she wears a silver guardchain and is forced to obey the dreaded Blessed Guardians. She has never done anything by herself and won’t be allowed out on the streets unchained until Separation Day.When Separation Day is canceled, Goldie, who has always been both impatient and bold, runs away, risking not only her own life but also the lives of those she has left behind. In the chaos that follows, she is lured to the mysterious Museum of Dunt, where she meets the boy Toadspit and discovers terrible secrets. Only the cunning mind of a thief can understand the museum’s strange, shifting rooms. Fortunately, Goldie has a talent for thieving.Which is just as well, because the leader of the Blessed Guardians has his own plans for the museum—plans that threaten the lives of everyone Goldie loves. And it will take a daring thief to stop him. . . .Museum of Thieves is a thrilling tale of destiny and danger, and of a courageous girl who has never been allowed to grow up—until now.

The Forbidden Stone


Tony Abbott - 2014
    Readers who loved Percy Jackson will be eager to follow our heroes on this six-book, six-novella journey and excited to enter a sweepstakes to participate in a real-life scavenger hunt hosted by Tony Abbott that lets the reader become part of the story.It all began when four friends-Wade, Lily, Darrel, and Becca-received a strange, coded email from Wade's uncle Henry shortly before the old man's sudden death. They set off for Germany to attend the funeral with Wade's father, Roald, and discover that Uncle Henry left them yet another baffling message that they suspect is the key to figuring out how and why he died.The message leads to a clue, and the more clues they discover, the farther they travel down a treacherous path toward an ancient, guarded secret. Soon they are in a breathless race across the globe, running for their lives as a dangerous shadow organization chases them around every corner. Their only hope of saving themselves-and the world that they know-is to find twelve magical relics from a hidden past that will unlock the Copernicus Legacy.

The Colossus Rises


Peter Lerangis - 2013
    In a few months, he’s going to die.One MissionJack needs to find seven magic loculi that, when combined, have the power to cure him.One ProblemThe loculi are the relics of a lost civilization and haven’t been seen in thousands of years.Seven WondersBecause they’re hidden in the Seven Wonders of the Ancient World.

The Scourge


Jennifer A. Nielsen - 2016
    She is even more surprised when the test results come back positive, and she is sent to Attic Island, a former prison turned refuge—and quarantine colony—for the ill. The Scourge’s victims, Ani now among them, can only expect to live out short, painful lives there.However, Ani quickly discovers that she doesn’t know the whole truth about the Scourge or the Colony. She’s been caught in a devious plot, and, with the help of her best friend, Weevil, Ani means to uncover just what is actually going on. But will she and Weevil survive the Scourge—and the gorvernor’s wardens—long enough to make their escape and expose the cruel plan?

The Shadow Cipher


Laura Ruby - 2017
    Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher—a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining. By the present day, however, the puzzle has never been solved, and the greatest mystery of the modern world is little more than a tourist attraction.Tess and Theo Biedermann and their friend Jaime Cruz live in a Morningstarr apartment house—until a real estate developer announces that the city has agreed to sell him the five remaining Morningstarr buildings. Their likely destruction means the end of a dream long-held by the people of New York. And if Tess, Theo and Jaime want to save their home, they have to prove that the Old York Cipher is real. Which means they have to solve it.

Masterminds


Gordon Korman - 2015
    Eli Frieden has never left Serenity, New Mexico...why would he ever want to? Then one day, he bikes to the edge of the city limits and something so crazy and unexpected happens, it changes everything.Eli convinces his friends to help him investigate further, and soon it becomes clear that nothing is as it seems in Serenity. The clues mount to reveal a shocking discovery, connecting their ideal crime-free community to some of the greatest criminal masterminds ever known.The kids realize they can trust no one—least of all their own parents.

The Emerald Atlas


John Stephens - 2011
    Ripped from their parents as babies, they are being protected from a horrible evil of devastating power, an evil they know nothing about.Until now.Before long, Kate, Michael, and Emma are on a journey through time to dangerous and secret corners of the world...a journey of allies and enemies, of magic and mayhem. And — if an ancient prophesy is correct — what they do can change history, and it is up to them to set things right.

Found


Margaret Peterson Haddix - 2008
    Then he and a new friend, Chip, who's also adopted, begin receiving mysterious letters. The first one says, "You are one of the missing." The second one says, "Beware! They're coming back to get you."Jonah, Chip, and Jonah's sister, Katherine, are plunged into a mystery that involves the FBI, a vast smuggling operation, an airplane that appeared out of nowhere - and people who seem to appear and disappear at will. The kids discover they are caught in a battle between two opposing forces that want very different things for Jonah and Chip's lives.Do Jonah and Chip have any choice in the matter? And what should they choose when both alternatives are horrifying?With Found, Margaret Peterson Haddix begins a new series that promises to be every bit as suspenseful as Among the Hidden, and proves her, once again, to be a master of the page-turner.

Orphan Island


Laurel Snyder - 2017
    The sun rises in a sky filled with dancing shapes; the wind, water, and trees shelter and protect those who live there; when the nine children go to sleep in their cabins, it is with full stomachs and joy in their hearts. And only one thing ever changes: on that day, each year, when a boat appears from the mist upon the ocean carrying one young child to join them—and taking the eldest one away, never to be seen again.Today’s Changing is no different. The boat arrives, taking away Jinny’s best friend, Deen, replacing him with a new little girl named Ess, and leaving Jinny as the new Elder. Jinny knows her responsibility now—to teach Ess everything she needs to know about the island, to keep things as they’ve always been. But will she be ready for the inevitable day when the boat will come back—and take her away forever from the only home she’s known?