Top 10 Best Science Fiction Books for 9-year-olds

These exciting, interstellar stories feature spaceships, stars, alien races and plenty of intergalactic adventures! Kids will be captivated by the riveting reads in this list of the very best science fiction books for 9-year-olds.

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1. Cosmic

Frank Cottrell Boyce

13-year-old Liam is already six foot tall and consequently manages to join a rocket launch into outer space by pretending to be an adult. Kids will be enthralled by his hilarious adventures, which also carry a poignant message about what it means to be a parent.

2. Compton Valance: The Time-Travelling Sandwich Bites Back

Matt Brown

Compton Valance has an incredible secret... he can travel through time using nothing but a smelly sandwich! But now he's in trouble. His evil brother Bravo has stolen the sandwich and is chomping his way through time, causing complete chaos! It's up to Compton and his blundering mate Bryan to stop Bravo before time runs out and the universe implodes. Kids will love this crazy calamity!

3. Doctor Who Fiction Collection - 6 books

Various

These thrilling, original adventures, starring the Twelfth Doctor and his ever-loyal assistant Clara, would make a wonderful gift for any fan of the long-running sci-fi show. The Doctor must face all sorts of new challenges, including a murderer known only as the Governor, a mystery dating back to World War II involving a giant mosquito, and the cryptic case of the Phaeron race from outer space, which disappeared over a million years ago.

4. Cakes in Space

Philip Reeve & Sarah McIntyre

This bizarre and brilliant book is packed with quirky characters and hilarious humour, guaranteed to delight kids! Astra's ship is in trouble. Something is lurking within the ship's canteen - something on the war path. There's also the problem of the pesky Poglites, a space salvage crew who have come to pillage the ship of its spoons. Only Astra and her reliable robot friend Pilbeam can stop the ship from being destroyed...

5. Mars Evacuees

Sophia McDougall

This is the first exhilarating book in a major new series that follows a group of children after they've been evacuated to Mars due to an alien invasion. Written with warmth and wit, this funny story is gripping, fast-paced, and sure to have kids on the edge of their seats.

6. LEGO Star Wars: Chronicles of the Force

DK

Young Jedi can discover the full story of the LEGO Star Wars galaxy with this brilliant bumper book. It covers the saga in detail, featuring all the heroes and villains from across the universe. It explains all about the triumphs and tragedies they have lived through, from the heroic exploits of the Jedi and the Resistance, to the evil plans of the Sith and the Dark Side. The book also comes with an exclusive Minifigure to add to your intergalactic collection!

7. The Obsidian Mirror

Catherine Fisher

Jake's father disappears whilst working on mysterious experiments with the reclusive Oberon Venn. Jake is convinced Venn has murdered him. But the truth, he discovers, is far stranger. The experiments involved a strange black mirror, a portal to the past and future. Venn wants to use its powers - and he's not alone. Strangers begin to gather, including individuals from different times - but Jake is determined to use the mirror to learn what happened to his father. This heart-pounding page-turner will appeal to those who enjoy the darker side of sci-fi.

8. Space, Stars and Slimy Aliens

Nick Arnold

In this space-hopping science book, kids will soar to the stars with Oddblob the alien! They'll find out heaps of horrible facts about space, like what the moon smells like, which astronomers killed people, and why space makes your guts explode! Whizz around the planets, learn which galaxies gobble up each other, and see if you can spot a little green man while you're there! This fun, funky book is sure to inspire a love of science in kids.

9. My Brother is a Superhero

David Solomons

11-year-old comic book fan Luke shares a tree-house with his big brother, Zack. In a horribly unlucky twist of fate, Luke decides to go for a wee just as an alien arrives, and gives the undeserving Zack superpowers so he can go and save the universe! This is extremely annoying for Luke, but when Zack is kidnapped, it's up to Luke and his friends to save him - and the entire world...

10. Can You Survive an Alien Invasion?

Blake Hoena

Alien spacecraft have entered Earth's atmosphere. You now know that life exists elsewhere in the universe, but one question remains: are they hostile or friendly? What will you choose to do in this high-pressured situation? And, more importantly, will you survive? Find out in this enthralling, interactive adventure, in which the reader decides their fate...

  • AFGYL 7 years +
    7 years +
    • £8.89
    • RRP £8.99
    Jake's father disappears while working on mysterious experiments with the obsessive, reclusive Oberon Venn. Jake is convinced Venn has murdered him. But the truth he finds at the snow-bound Wintercombe Abbey is far stranger ...The experiments concerned a black mirror, which is a portal to both the past and the future. Venn is not alone in wanting to use its powers. Strangers begin gathering in and around Venn's estate: Sarah - a runaway, who appears out of nowhere and is clearly not what she says, Maskelyne - who claims the mirror was stolen from him in some past century. There are others, a product of the mirror's power to twist time. And a tribe of elemental beings surround this isolated estate, fey, cold, untrustworthy, and filled with hate for humans. But of them all, Jake is hell-bent on using the mirror to get to the truth. Whatever the cost, he must learn what really happened to his father.
  • CKZ2 9 years +
    9 years +
    (1)
    • £4.49
    • RRP £8.99
    • Save £4.50Save 50.00%
    Bursting with ever-so quirky humour and eccentric characters that are sure to delight children aged 7 and above, Cakes in Space is a fun-packed new book from the brilliant Philip Reeve and Sarah McIntyre.

    Astra's ship is in big trouble! Something is lurking within the ship's canteen; something on the war path. And with added trouble from the Poglites - a space salvage crew who have come to pillage the ship of its spoons - Astra and her trusty robot friend Pilbeam are the only ones standing in the way of the ship's destruction...

    Absolutely packed with wonderful illustrations courtesy of Sarah McIntyre and dynamically written by Roald Dahl Funny Prize-shortlisted author Philip Reeve, Cakes in Space is as peculiar as it is side-splittingly hilarious!
  • MRU2 9 years +
    9 years +
    • £3.49
    • RRP £6.99
    • Save £3.50Save 50.00%
    Always carry duct tape.

    That's the one piece of advice that anyone can take from Sophia McDougall's epic sci-fi adventure, Mars Evacuees.

    Told with warmth and wit, this is the first book in a major new series that follows a group of children after they've been evacuated to Mars due to an alien invasion.

    Sure to appeal to fans of Percy Jackson, Artemis Fowl and Alex Rider, Sophia McDougall's Mars Evacuees is a funny, thrilling and fast-paced first sci-fi read for those aged 9 and over.
  • AJRGN 8 years +
    8 years +
    • £6.89
    • RRP £6.99
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    HORRIBLE SCIENCE: SPACE, STARS AND SLIMY ALIENS is bursting a space-hopping book of stunning science. Zoom to the stars with Oddblob the alien, and take part in a spacewalk that's out of this world and learn what the moon smells like. Find out all the horrible facts about space like which astronomers killed people and why space makes your guts explode! Zoom around the planets, learn which galaxies eat each other, and see if you can spot a little green man while you're there! Redesigned in a bold, funky new look for the next generation of HORRIBLE SCIENCE fans.
  • AQGIT 8 years +
    8 years +
    • £6.89
    • RRP £6.99
    • Save £0.10Save 1.0000000000000000621724893790087662637233734130859375%
    Sirens blare and news alerts flash on the TV screen as alien crafts enter Earth's atmosphere. You use to wonder if life existed elsewhere in the universe, but now only one question remains: Are they friendly or hostile? When YOU CHOOSE what to do next, your choices will determine if you survive the alien invasion.
  • MBSH 9 years +
    9 years +
    (2)
    • £3.99
    • RRP £12.99
    • Save £9.00Save 68.9999999999999960209606797434389591217041015625%
    This is a super story for superhero-mad children! An award-winning book written by David Solomons, it's a zesty and refreshing read full of funny situations.

    Luke is a comic book-mad 11-year old who shares a tree house with his geeky older brother, Zack.

    Luke's only mistake is to go for a wee right at the wrong time. While he's gone, an alien gives his undeserving, never-read-a-comic-in-his-life brother superpowers and then tells him to save the universe.

    Luke is massively annoyed about this, but when Zack is kidnapped by his arch-nemesis, Luke and his friends have only five days to find him and save the world...
  • Doctor Who Fiction Collection - 6 Books - Collection - 9781785940705 - Various
    DRWS
    • £3.99
    • RRP £41.94
    • Save £37.95Save 90.0000000000000005684341886080801486968994140625%
    • Just 67.00p per book
    With six original and exciting adventures starring Peter Capaldi's Twelfth Doctor and his ever-loyal assistant Clara (played in the show by Jenna-Louise Coleman), this collection will make the perfect gift for any fan of the BBC's long-running sci-fi show.

    The Doctor comes face to face with a murderer known only as the Governor; he has to unravel a mystery dating back to the Second World War when a giant mosquito attacks a boy on his way to school; and looks into why the Phaeron race from outer space disappeared over a million years ago.

    Full of the quirks and intelligence of the hit TV show, this is a set of paperback books to keep any Whovian happily entertained as they wait patiently for the next rip-roaring series.
  • CMZ2 9 years +
    9 years +
    (2)
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    Award-winning author Frank Cottrell Boyce has a quirky sense of humour that makes his writing appealing and fun for independent readers but also ideal for parents to read aloud to their youngsters.

    Cosmic is the story of thirteen-year-old Liam who is already six foot tall and consequently manages to join a rocket launch into outer space by pretending to be an adult. Liam's hilarious adventures carry a poignant message about what it means to be a parent.

    Readers aged 9+ will enjoy Cosmic and should also read Frank Cottrell Boyce's books Millions and Framed.
  • LEGO Star Wars Chronicles of the Force - Hardback - 9780241237137 - DK
    SWCF 6 years +
    6 years +
    • £5.49
    • RRP £12.99
    • Save £7.50Save 57.00000000000000227373675443232059478759765625%
    Young Jedi and Master Builders can discover the full story of the LEGO Star Wars galaxy with this brilliant book.

    Covering the saga in detail, including The Force Awakens, the encyclopedia covers the heroes and villains from across the universe and explains all about the triumphs and tragedies they have lived through.

    From the heroic exploits of the Jedi and the Resistance and their key members (and droids!) to the evil plans of the Sith and the Dark Side, the book has pictures of so many famous Minifigures including Luke Skywalker, Han Solo, Darth Vader, Kylo Ren and BB-8.

    The book also comes with an exclusive Minifigure to add to your out-of-this-world collection!
  • ALGXM 7 years +
    7 years +
    • £4.79
    • RRP £5.99
    • Save £1.20Save 20.00%
    Compton Valance has an incredible secret: he can travel through time using a stinky sandwich. And now he's in big trouble! Because his evil brother Bravo has stolen the sandwich and is biting his way through time, causing chaos. It's up to Compton and his bungling mate Bryan to stop Bravo before time runs out and the universe implodes. Yes, really.