What are some popular science fiction books for young readers?

'Ender's Game' is very popular. It tells the story of Ender Wiggin, a child prodigy trained in military strategy to fight against an alien threat. It has great themes of leadership, morality and the cost of war.

There are quite a few. 'The Time Machine' by H.G. Wells, though it was written a long time ago, is still accessible for young readers. It takes you on a journey through time to different futures. 'The Iron Man' by Ted Hughes is a great one too. It has an interesting story about a giant metal man from outer space. Also, 'The Invisible Boy' by Harriet H. Adams, which is about a boy with special powers, is a fun young readers science fiction book.

Among young readers, 'The Hunger Games' trilogy by Suzanne Collins is very popular. It has a strong female lead and a post - apocalyptic setting that involves a fight for survival. Another is 'Divergent' by Veronica Roth which also has a dystopian society with a unique caste system.

The 'Lunar Chronicles' by Marissa Meyer is also well - liked. It's a retelling of classic fairy tales set in a science - fiction universe. For example, Cinderella becomes a mechanic on the moon. The books are full of adventure, romance, and cool technology concepts that appeal to young readers.

The 'Spider - Man' comics can also be considered as science fiction superhero books. The story of Peter Parker, a high - school student with superpowers, has always been appealing to young readers as it has elements of growing up along with the superheroics.

Among young readers, 'Ready Player One' by Ernest Cline is quite popular. It has a science - fiction setting with a lot of 80s pop - culture references that are both cool and funny. Another is 'The Martian' by Andy Weir, which has some humorous moments as the main character tries to survive on Mars.

Another popular one is 'A Wrinkle in Time' which has elements of astronomy and science fiction. It takes young readers on a journey through different planets and dimensions, with a focus on family, love and the fight against evil. The unique concepts and the relatable characters make it appealing to the young audience.

Among young readers, 'The Hunger Games' by Suzanne Collins is quite popular. It's set in a post - apocalyptic world where teens have to fight to the death in a televised event. 'Divergent' by Veronica Roth is also a favorite. It's about a society divided into factions based on different virtues. And 'Ready Player One' by Ernest Cline is popular too. It has a lot of 80s pop - culture references and is set in a virtual world.

'Harry Potter' series. It follows the adventures of a young wizard named Harry Potter and his friends at Hogwarts School of Witchcraft and Wizardry. It's full of magic, friendship, and battles against the dark forces.

'Al Capone Does My Shirts' by Gennifer Choldenko is also a great pick. It's set on Alcatraz Island and has a character with autism. The story is full of adventure and interesting relationships that young readers can enjoy.