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Cover of Cosmic

Age rating and parents' guide:Cosmic

by Frank Cottrell Boyce

Ages 9–14

Cosmic by Frank Cottrell Boyce is best for children aged 9–14. It has no violence, a few mildly scary moments, no romance and no bad language.

Twelve-year-old Liam is unusually tall for his age, often mistaken for a grown-up. When he enters a competition to test a brand-new thrill ride in China, he poses as an adult chaperone and ends up accidentally launched into orbit alongside four real children. Its playful humor makes reading aloud and sharing a laugh enjoyable.

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Content ratings

How much of each a parent can expect, from none to strong.

Violence
None
Scary moments
Mild
Romance
None
Bad language
None
Dhiraj Bodade

Content checked by Dhiraj Bodade, co-founder of Bookstaken, on 21 September 2026.

At a glance

  • ★Novel
  • ★A steady start that picks up quickly
  • ★Mostly text
  • ★Emotionally light
  • ★A good pick for reluctant readers

Great for kids who like

  • Science Fiction & Space
  • Space

Reading mood

  • Curious

Good to talk about

  • Science Fiction & Space

Books like Cosmic

Similar stories for the same ages, none more intense than this one should be for its youngest readers.

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    Hidden Figures (Young Readers' Edition)

    by Margot Lee Shetterly

    This inspiring non-fiction book shares the true story of four brilliant African American female mathematicians—Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden—who played vital roles in NASA's early space missions. Offers space for thoughtful conversations about empathy and difficult choices.

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  • Cover of George's Secret Key to the Universe

    Ages 9–11

    George's Secret Key to the Universe

    by Lucy & Stephen Hawking

    George's pet pig escapes into the next-door garden, leading him to meet his eccentric neighbor Eric and Eric's daughter Annie. Eric owns Cosmos, an incredible supercomputer capable of opening doorways into outer space. Offers space for thoughtful conversations about empathy and difficult choices.

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  • Cover of The Girl Who Drank the Moon

    Ages 9–14

    The Girl Who Drank the Moon

    by Kelly Barnhill

    Every year, the people of the Protectorate leave a baby in the forest as an offering to a witch they fear. But Xan is kind, rescuing the infants and finding them loving homes. Offers space for thoughtful conversations about empathy and difficult choices.

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  • Cover of Zita the Spacegirl

    Ages 9–11

    Zita the Spacegirl

    by Ben Hatke

    When her best friend is suddenly pulled through a mysterious portal, Zita doesn't hesitate to jump in after him. She lands on an alien planet facing total destruction and must navigate a strange new world full of quirky creatures, friendly monsters, and neurotic robots. Makes room for curious questions and discovering how things work.

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  • Cover of The Invention of Hugo Cabret

    Ages 9–14

    The Invention of Hugo Cabret

    by Brian Selznick

    Orphaned Hugo lives hidden inside the walls of a busy 1930s Paris railway station, secretly winding the massive clocks and surviving on stolen food. His most precious possession is a broken mechanical man left by his late father, which he desperately tries to repair. Encourages gentle, guided conversations about challenging feelings and experiences.

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  • Cover of Counting on Katherine

    Ages 6–11

    Counting on Katherine

    by Helaine Becker

    From a young age, Katherine Johnson counted everything around her, driven by a deep curiosity and love for mathematics. Despite facing barriers due to her race and gender, she pursued her education and joined NASA, where her precise calculations helped launch the first American into space and safely navigate the Apollo 13 mission. Encourages observation, discovery, and a lively sense of wonder.

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On these book lists

  • Science and space books for kids

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Questions parents ask

Q: What age is Cosmic for?
Cosmic suits children aged 9–14. It is a novel: a steady start that picks up quickly, mostly text.
Q: Is Cosmic appropriate for a 9 year old?
Yes. Bookstaken rates it for ages 9–14. It has no violence, a few mildly scary moments, no romance and no bad language.
Q: What should my child read after Cosmic?
Try Hidden Figures (Young Readers' Edition), George's Secret Key to the Universe and The Girl Who Drank the Moon. They share the same kind of story and suit the same ages.
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