KIDS: Science Fiction
 
The Last Kids on Earth
by Max Brallier

After a monster apocalypse hits town, average thirteen-year-old Jack Sullivan builds a team of friends to help slay the eerily intelligent monster known as Blarg.
The Wild Robot
by Peter Brown

Initializing for the first time on a remote island where she is all alone, Roz the robot learns survival strategies from the island's hostile animals and finally gains acceptance when she cares for an orphaned gosling. 
Felix Yz
by Lisa Bunker

Thirteen-year-old Felix Yz chronicles the final month before an experimental procedure meant to separate him from the fourth-dimensional creature, Zyx, with whom he was accidentally fused as a young child.
The Wonderful Flight to the Mushroom Planet
by Eleanor Cameron

A mystery man inspires two boys to build a space ship which takes them to the planet of Basidium to help the Mushroom people.
Sputnik's Guide to Life on Earth
by Frank Cottrell Boyce

The Blythes are a big, warm, rambunctious family who live on a small farm and sometimes foster children. Now Prez has come to live with them. But, though he seems cheerful and helpful, he never says a word. Then one day Prez answers the door to someone claiming to be his relative. This small, loud stranger carries a backpack, walks with a swagger and goes by the name of Sputnik. As Prez dithers on the doorstep, Sputnik strolls right past him and introduces himself to everyone in the household. Prez is amazed at the response. The family pat Sputnik on the head, call him a good boy and drop food into his mouth. It seems they all think Sputnik is a dog. It's only Prez who thinks otherwise. But Prez soon finds himself having to defend the family from the chaos and danger unleashed by Sputnik, as household items come to life - like a TV remote that fast-forwards people: 'Anyone can do it, it's just that people don't read the instructions properly'; and a toy lightsaber that entertains guests at a children's party, until one of them is nearly decapitated by it -- and Prez is going to have to use his voice to explain himself
The City of Ember
by Jeanne DuPrau

In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.
The Jamie Drake Equation
by Christopher Edge

Jamie has a close encounter with an alien who tells him his father, an astronaut on a mission at the International Space Station, is in trouble and needs Jamie's help.
Last Day on Mars
by Kevin Emerson

While waiting to leave Mars before it burns up just like the Earth before it, Liam and his friend Phoebe discover some facts about time and space and realize that the human race is just one of the races trying to survive in space.
Dark Life
by Kat Falls

When fifteen-year-old Ty, who has always lived on the ocean floor, joins Topside girl Gemma in the frontier's underworld to seek and stop outlaws who threaten his home, they learn that the government may pose an even greater threat.
Space Case
by Stuart Gibbs

While living on a moon base with fellow lunarnauts, Dashiell Gibson investigates the murder of one of the moon's most prominent doctors.
The Softwire: Virus on Orbis 1
by PJ Haarsma

An orphan on the first ring of Orbis, Johnny Turnbull, a "softwire" with the ability to communicate with computers through his mind, finds himself in intergalactic danger when, while working in an alien factory, he falls under suspicion when the mainframe computer goes haywire.
Found
by Margaret Peterson Haddix

When thirteen-year-olds Jonah and Chip, who are both adopted, learn they were discovered on a plane that appeared out of nowhere, full of babies with no adults on board, they realize that they have uncovered a mystery involving time travel and two opposing forces, each trying to repair the fabric of time.
The Fourteenth Goldfish
by Jennifer L Holm

Hating change and missing both her best friend and her dead goldfish, 11-year-old Ellie encounters a boy who strongly resembles her immortality-obsessed grandfather, in a story that introduces the work of famous historical scientists. 
March of the Mini Beasts
by Ada Hopper

Three whiz-kid from a scientifically inclined family, known as the DATA Set, are thrown into a madcap adventure when they befriend a mad scientist whose latest invention causes toy animals to become giant, living monsters. 
Masterminds
by Gordon Korman

When a group of kids discover they were cloned from the DNA of some of the greatest criminal masterminds in history for a sociological experiment, they likewise realize they can trust no one—least of all their own parents.
Dragon Pearl
by Yoon Ha Lee

Min, a thirteen-year-old girl with fox-magic, stows away on a battle cruiser and impersonates a cadet in order to solve the mystery of what happened to her older brother in the Thousand World Space Forces.
The Giver
by Lois Lowry

Given his lifetime assignment at the Ceremony of Twelve, Jonas becomes the receiver of memories shared by only one other in his community and discovers the terrible truth about the society in which he lives.
Mars Evacuees
by Sophia McDougall

Alice Dare is one of three hundred kids evacuated to Mars to attend school and train as soldiers, safe from the war with Earth's invading aliens, but when all of the adults and robots disappear, the youths must survive on their own.
Margot and Mateo Save the World
by Darcy Miller

Waking up to find their town invaded by slug-like aliens, sixth graders Margot and Mateo team up with a visiting scientist to save the day.
The True Meaning of Smekday
by Adam Rex

After the alien Boov invade the Earth, young Gratuity Tucci finds herself driving her mother's car to Florida, where all of the humans are being relocated, accompanied by her cat and a renegade extraterrestrial named J. Lo.
The Shadow Cipher
by Laura Ruby

It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lines, all running on technology no one had ever seen before. 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.
A Problematic Paradox
by Eliot Sappingfield

Thirteen-year-old Nikola's world is turned upside down when her father is abducted by aliens and she is transported to a boarding school for geniuses, but things get stranger when she realizes she has certain abilities that put her school in danger.
The Lost Planet
by Rachel Searles

Waking up on a distant planet, Chase Garrety is horrified to learn that he has no memory of his life and finds himself under the protection of a mysterious benefactor who requires him to complete an important mission before time runs out.
What Came From the Stars
by Gary D Schmidt

In a desperate attempt for survival, a peaceful civilization on a faraway planet besieged by a dark lord sends its most precious gift across the cosmos into the lunchbox of sixth-grader Tommy Pepper of Plymouth, Massachusetts. 
Frank Einstein and the Antimatter Motor
by Jon Scieszka

When a lightning storm brings his robot creations to life, science enthusiast Frank Einstein finds himself assisted by the wisecracking Klink and the overly expressive Klank as he works on an antimatter motor to defeat his arch-nemesis' evil doomsday plot. 
Voyage of the Dogs
by Greg Van Eekhout

After Lopside, a rescue dog, and his canine crew find themselves abandoned by the human crew on a failing spaceship deep in space, the dogs must use all of their rescue skills if they are going to survive.
Six
by M. M. Vaughan

When twelve-year-old Parker's father, on the cusp of a technological breakthrough, is kidnapped, Parker is determined to find him, but his search soon uncovers a sinister project that threatens far more than Parker's family.
Time Traveling with a Hamster
by Ross Welford

Twelve-year-old Al Chaudhury discovers his late dad's time machine and travels back to 1984 with his pet hamster to prevent the go-kart accident that killed his father.
Sanity & Tallulah
by Molly Brooks

Two best friends living on a dilapidated space station at the far end of the galaxy are challenged to save their home after creating an illegal but impossibly cute three-headed kitten that wreaks havoc throughout the station. 
CatStronauts: Mission Moon
by Drew Brockington

An elite group of cat astronauts, from daring commander Major Meowser to ever-hungry pilot Waffles, fearlessly and hilariously embark on a space mission to save the world from a global energy shortage. 
Cleopatra In Space: Target Practice
by Mike Maihack

Mysteriously zapped thousands of years forward to the present day, a 15-year-old Cleopatra discovers that she is destined to save the galaxy from a tyrannical overlord, a prophecy that compels her to enroll in a high-tech school where she can learn modern subjects, alien languages and combat fighting. 
One Trick Pony
by Nathan Hale

When electricity-stealing aliens arrive on an Earth of the future, Strata, a girl from a family of digital rescuers, teams up with her brother and a beautiful rare robot pony to outmaneuver the invaders and humans who would take advantage of the chaos to become outlaws. 
Jedi Academy
by Jeffrey Brown

When Roan's application to pilot school is rejected, he finds he has been invited to study under Master Yoda at the Jedi Academy.
Secret Coders
by Gene Luen Yang

Attending an elite school where enterprising students are challenged to solve a variety of clues and puzzles using computer programming, Hopper and her friend, Eni, resolve to crack the school founder's most elusive mystery together. 
Stephen McCranie's Space Boy. Volume 1
by Stephen McCranie

Amy lives on a colony in deep space, but when her father loses his job the family moves back to Earth, where she has to adapt to heavier gravity, a new school, and a strange boy with no flavor.
Zita the Spacegirl: Far from Home Book 1 
by Ben Hatke

When young Zita discovers a device that opens a portal to another place, and her best friend is abducted, she is compelled to set out on a strange journey from star to star in order to get back home.