Book picks similar to
Daniel Coldstar #1: The Relic War by Stel Pavlou


science-fiction
sci-fi
middle-grade
middle-grade-science-fiction

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.

Once Was a Time


Leila Sales - 2016
    But when Charlotte's scientist father makes an astonishing discovery that the Germans will covet for themselves, Charlotte is faced with an impossible choice between danger and safety. Should she remain with her friend or journey to another time and place? Her split-second decision has huge consequences, and when she finds herself alone in the world, unsure of Kitty's fate, she knows that somehow, some way, she must find her way back to her friend. Written in the spirit of classic time-travel tales, this book is an imaginative and heartfelt tribute to the unbreakable ties of friendship.

Glitch


Laura Martin - 2020
    But everything changes when they find a letter from Regan’s future self, warning them about an impending disaster that threatens them and everyone they know.Will they be able to set aside their past in order to save the future?

Mars Evacuees


Sophia McDougall - 2014
    because until you’ve been shot at, pursued by terrifying aliens, taught maths by a laser-shooting robot goldfish and tried to save the galaxy, I don’t think you can say that you’ve really lived.If the sme thing happens to you, this is my advice: ALWAYS CARRY DUCT TAPE.

Zita the Spacegirl


Ben Hatke - 2011
    Humanoid chickens and neurotic robots are shocking enough as new experiences go, but Zita is even more surprised to find herself taking on the role of intergalactic hero. Before long, aliens in all shapes and sizes don't even phase her. Neither do ancient prophecies, doomed planets, or even a friendly con man who takes a mysterious interest in Zita's quest.Zita the Spacegirl is a fun, captivating tale of friendship and redemption from Flight veteran Ben Hatke. It also has more whimsical, eye-catching, Miyazaki-esque monsters than you can shake a stick at.

The Glass Sentence


S.E. Grove - 2014
    She had no idea they were so dangerous.   Boston, 1891. Sophia Tims comes from a family of explorers and cartologers who, for generations, have been traveling and mapping the New World—a world changed by the Great Disruption of 1799, when all the continents were flung into different time periods.  Eight years ago, her parents left her with her uncle Shadrack, the foremost cartologer in Boston, and went on an urgent mission. They never returned. Life with her brilliant, absent-minded, adored uncle has taught Sophia to take care of herself. Then Shadrack is kidnapped. And Sophia, who has rarely been outside of Boston, is the only one who can search for him. Together with Theo, a refugee from the West, she travels over rough terrain and uncharted ocean, encounters pirates and traders, and relies on a combination of Shadrack’s maps, common sense, and her own slantwise powers of observation. But even as Sophia and Theo try to save Shadrack’s life, they are in danger of losing their own.The Glass Sentence plunges readers into a time and place they will not want to leave, and introduces them to a heroine and hero they will take to their hearts. It is a remarkable debut.

Horizon


Scott Westerfeld - 2017
    Instead they find themselves lost in a strange jungle with no way to get home and little hope of rescue. Food is running out. Water is scarce. And the jungle is full of threats unlike anything the survivors have ever seen before -- from razor-beaked shredder birds to carnivorous vines and much, much worse. With danger at every turn, these eight kids must learn to work together to survive. But cliques and rivalries threaten to tear them apart. And not everyone will make it out of the jungle alive.

Cog


Greg Van Eekhout - 2019
    One unforgettable journey. Their programming will never be the same. Cog looks like a normal twelve-year-old boy. But his name is short for “cognitive development,” and he was built to learn.But after an accident leaves him damaged, Cog wakes up in an unknown lab—and Gina, the scientist who created and cared for him, is nowhere to be found. Surrounded by scientists who want to study him and remove his brain, Cog recruits four robot accomplices for a mission to find her.Cog, ADA, Proto, Trashbot, and Car’s journey will likely involve much cognitive development in the form of mistakes, but Cog is willing to risk everything to find his way back to Gina.

Unidentified Suburban Object


Mike Jung - 2016
    Chloe has just about had it with people not knowing the difference between someone who's Chinese, Japanese, or Korean. She's had it with people thinking that everything she does well -- getting good grades, winning first chair in the orchestra, etCETera -- are because she's ASIAN.Of course, her own parents don't want to have anything to DO with their Korean background. Any time Chloe asks them a question they change the subject. They seem perfectly happy to be the only Asian family in town. It's only when Chloe's with her best friend, Shelly, that she doesn't feel like a total alien. Then a new teacher comes to town: Ms. Lee. She's Korean American, and for the first time Chloe has a person to talk to who seems to understand completely. For Ms. Lee's class, Chloe finally gets to explore her family history. But what she unearths is light-years away from what she expected.

Randoms


David Liss - 2015
    He knows his games, comics, movies, and TV shows like Captain Kirk knows the starship Enterprise. So it’s a dream come true when he learns the science fiction he loves so much is based on reality—and that he’s been selected to spend a year on a massive space station. To evaluate humanity’s worthiness, the Confederation of United Planets has hand picked three of Earth’s most talented young people—and then there’s Zeke. He’s the random.Unfortunately, Zeke finds life in space more challenging than he’d hoped. When he saves his transport ship from a treacherous enemy attack, he’s labeled a war criminal. Now despised by the Confederation, rejected by his fellow humans, and pursued by a ruthless enemy, Zeke befriends the alien randoms: rejected by their own species, but loyal to each other. But their presence in the Confederation may not be so random after all, and as the danger increases, Zack’s knowledge of science fiction might be the only thing that can save himself, his friends, and Earth itself.

The Map to Everywhere


Carrie Ryan - 2014
    To Master Thief Fin, an orphan from the murky pirate world of the Khaznot Quay, the Map is the key to finding his mother. To suburban schoolgirl Marrill, it's her only way home after getting stranded on the Pirate Stream, the magical waterway that connects every world in creation. With the help of a bumbling wizard and his crew, they must scour the many worlds of the Pirate Stream to gather the pieces of the Map to Everywhere--but they aren't the only ones looking. A sinister figure is hot on their tail, and if they can't beat his ghostly ship to find the Map, it could mean the destruction of everything they hold dear! Heart-pounding escapades and a colorful cast of characters will have readers setting sail through this wholly original and unforgettable tale.

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.

The Stonekeeper


Kazu Kibuishi - 2008
    Before long, a sinister creature lures the kids' mom through a door in the basement. Em and Navin, desperate not to lose her, follow her into an underground world inhabited by demons, robots, and talking animals.Eventually, they enlist the help of a small mechanical rabbit named Miskit. Together with Miskit, they face the most terrifying monster of all, and Em finally has the chance to save someone she loves.

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?

Eventown


Corey Ann Haydu - 2019
    Not when her feelings have such a strong grip on her heart. Not when she and her twin sister, Naomi, seem to be drifting apart. So when Elodee’s mom gets a new job in Eventown, moving seems like it might just fix everything.Indeed, life in Eventown is comforting and exciting all at once. Their kitchen comes with a box of recipes for Elodee to try. Everyone takes the scenic way to school or work—past rows of rosebushes and unexpected waterfalls. On blueberry-picking field trips, every berry is perfectly ripe.Sure, there are a few odd rules, and the houses all look exactly alike, but it’s easy enough to explain—until Elodee realizes that there are only three ice cream flavors in Eventown. Ever. And they play only one song in music class.Everything may be “even” in Eventown, but is there a price to pay for perfection—and pretending?