Science fiction 
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There are a total of 936 valid entries on the list.
Author:
Series:
Captain Underpants volume 1.
Average Rating:
4.8 stars
Description:
Fourth-grade class clowns George Beard and Harold Hutchins have created the greatest superhero in the history of their elementary school -- and now they're going to bring him to life! Meet Captain Underpants! His true identity is SO secret, even HE doesn't know who he is!
2. Alien summer
Series:
Area 51 interns volume 1.
Average Rating:
5 stars
Description:
On the first day of summer vacation twelve-year-old Viv Harlow just wants to relax, but when a whole race of aliens escape from the famous Area 51 where her mom works, Viv and her friends will have to gear up, work together, and save their parents from alien abduction.
Author:
Series:
Shadow children volume 1.
Average Rating:
4.3 stars
Formats:
Description:
In a future where the Population Police enforce the law limiting a family to only two children, Luke has lived all his twelve years in isolation and fear on his family's farm, until another "third" convinces him that the government is wrong.
Author:
Series:
Avengers assembly volume 1.
Average Rating:
4 stars
Description:
Kamala Khan, Miles Morales, Doreen Green, America Chavez, and other young Marvel heroes join forces to defeat--the academic decathlon? Welcome to the Avengers Institute.
Author:
Series:
Children of the phoenix volume 1.
Description:
"When Elias and Alice's mother disappears in a nearby forest, the siblings quickly embark on a journey to find her. But nothing can prepare them for what lies aheadnot when they come face-to-face with a crew of aliens who whisk them away to a spaceship where they meet terrifying creatures, dangerous attackers, and a secret that changes all Alice and Elias have ever known about their family."--Publisher's description.
"When Elias and Alice's...
7. Dragon pearl
Author:
Series:
Thousand worlds volume 1.
Average Rating:
4.1 stars
Formats:
Description:
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.
Author:
Series:
LEGO Nexo Knights: Knight's Academy volume 1.
Average Rating:
5 stars
Description:
When Fletcher Bowman and Izzy Richmond venture off the Knights Academy campus, they awaken a long-sleeping threat to Knighton that threatens to destroy the kingdom.
Author:
Series:
Frank Einstein volume 1.
Average Rating:
4.2 stars
Formats:
Description:
In his Grandpa Al's garage workshop, child genius Frank Einstein tries to invent a robot that can learn on its own, and after an accident brings wisecracking Klink and overly expressive Klank to life, they set about helping Frank perfect his Antimatter Motor until his archnemesis, T. Edison, steals the robots for his doomsday plan.
10. Geeked out
Author:
Series:
Geeked out volume 1.
Average Rating:
5 stars
Description:
In a post-apocalyptic world, AV (Anti-Violence) Club members Tip, Mindy, Owen, and Xen develop semi-super powers and use them to try to save their middle school.
Author:
Series:
Star Wars: Choose your destiny volume 1.
Average Rating:
5 stars
Description:
"Jump inside the Millennium Falcon and help Han and Chewie as they journey across the galaxy on a simple smuggling job. But nothing is ever simple with Han Solo, and when things go wrong, Han pretends to be Jabba the Hutt to save himself, Chewie, and the Millennium Falcon. And that's when things go from bad to worse! With over twenty possible outcomes, readers will have to think like a true smuggler to keep Han and Chewie safe from Imperial TIE fighters,...
12. Jinxed
Author:
Series:
Jinxed (McCulloch) volume 1.
Average Rating:
4.8 stars
Description:
After fourteen-year-old Lacey Chu repairs a highly advanced smartphone/robotic pet companion, or baku, called Jinx, the baku gets her into her dream school, Profectus, where she is exposed to dangerous secrets.
Author:
Series:
13th reality volume 1.
Average Rating:
5 stars
Formats:
Description:
Thirteen-year-old Atticus "Tick" Higginbottom begins receiving mysterious letters from around the world signed only "M.G.," and the clues contained therein lead him on a journey to the perilous 13th Reality and a confrontation with evil Mistress Jane.
Author:
Series:
Description:
"The $3 time machine strikes again in this third and final installment in the series perfect for fans who love funny, unexpected adventures and wacky plot twists from best-selling author Dustin Brady. Professor Snellenburg is a mysterious man. What's the real story behind his time machine? What does the villainous Queen want with him? And where is he now? To find the professor, Elsa and Liam will need to start digging up answers to these long-buried...
Author:
Series:
Klawde: Evil Alien Warlord Cat volume 1.
Average Rating:
4.3 stars
Description:
Klawde, the exiled ruler of the planet Lyttyrboks, and Raj, who just moved from Brooklyn to tiny Elba, Oregon, forge an unlikely friendship as they find their footing in a strange new world.
16. Last day on Mars
Author:
Series:
Chronicle of the dark star volume 1.
Average Rating:
5 stars
Description:
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.
Author:
Series:
Dragonships volume 1.
Average Rating:
5 stars
Description:
Thirteen-year-old Lunar Jones was born on Mars, with every day a struggle, until he stumbles into a restricted military zone where he learns dragons are real and a new dragon has chosen him as a rider--a role he needs to embrace quickly because this dragon could save the Martian colony.
Author:
Series:
Last gate of the emperor volume 1.
Average Rating:
5 stars
Description:
"Yared Heywat lives an isolated life in Addis Prime -- a hardscrabble city with rundown tech, lots of rules, and not much to do. His worrywart Uncle Moti and bionic lioness Besa are his only family... and his only friends. Often in trouble for his thrill-seeking antics and smart mouth, those same qualities make Yared a star player of the underground augmented reality game, The Hunt for Kaleb's Obelisk. But when a change in the game rules prompts Yared...
19. The last human
Author:
Series:
Last human volume 1.
Average Rating:
5 stars
Formats:
Description:
After machines take control of Earth, following the extinction of humans, twelve-year-old robot XR 935A confronts its prejudices about humans and begins to reconsider its own existence within robot society after discovering and befriending a twelve-year-old human girl.
Author:
Series:
League of Seven volume 1.
Average Rating:
3.7 stars
Formats:
Description:
In an alternate 1875 America electricity is forbidden, Native Americans and Yankees are united, and eldritch evil lurks in the shadows. Young Archie Dent knows there really are monsters in the world. His parents are members of the Septemberist Society, whose job it is to protect humanity from hideous giants called the Mangleborn. Trapped in underground prisons for a thousand years, the giant monsters have been all but forgotten - but now they are...