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Cover of The 13-Storey Treehouse

Age rating and parents' guide:The 13-Storey Treehouse

by Andy Griffiths & Terry Denton

Ages 9–11

The 13-Storey Treehouse by Andy Griffiths & Terry Denton is best for children aged 9–11. It has mild violence, nothing scary, no romance and no bad language.

Andy and Terry live in an ever-growing treehouse filled with absurd rooms, inventions, animals, and chaotic storytelling deadlines.

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Content ratings

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

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

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

At a glance

  • ★Early chapter book
  • ★Part of the Treehouse series
  • ★Easy to get into from the first page
  • ★Plenty of illustrations
  • ★Emotionally light
  • ★A good pick for reluctant readers

Great for kids who like

  • Humor & Comedy
  • Animals
  • Science

Reading mood

  • Funny

Good to talk about

  • Science
  • Robots & inventions

Books like The 13-Storey Treehouse

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

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    Ages 9–13

    Malgudi Adventures: Classic Tales for Children

    by R. K. Narayan

    Classic children's adventures in the fictional South Indian town of Malgudi, full of humor, animals and local color.

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  • Cover of Cricket for the Crocodile

    Ages 6–11

    Cricket for the Crocodile

    by Ruskin Bond

    A boy’s quiet riverside outing becomes a comic encounter with a crocodile and the surprises of the natural world.

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  • Cover of Diary of a Wimpy Kid

    Ages 9–11

    Diary of a Wimpy Kid

    by Jeff Kinney

    Greg Heffley records middle-school embarrassments, family conflicts, and misguided schemes in his illustrated diary.

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  • Cover of The World's Worst Children

    Ages 9–11

    The World's Worst Children

    by David Walliams

    Ten cautionary tales introduce spectacularly misbehaving children whose selfish, disgusting, or cruel habits lead to comic consequences.

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  • Cover of Malgudi Schooldays: The Adventures of Swami and His Friends

    Ages 8–12

    Malgudi Schooldays: The Adventures of Swami and His Friends

    by R. K. Narayan

    Swami's school adventures, friendships and mischief open a window onto everyday South Indian life.

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  • Cover of Timmy Failure: Mistakes Were Made

    Ages 6–11

    Timmy Failure: Mistakes Were Made

    by Stephan Pastis

    Confident but error-prone detective Timmy and his polar-bear partner investigate school mysteries with hilariously misguided logic.

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On these book lists

  • Funny books for kids
  • Animal books for kids
  • Science and space books for kids
  • Books like Diary of a Wimpy Kid

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Questions parents ask

Q: What age is The 13-Storey Treehouse for?
The 13-Storey Treehouse suits children aged 9–11. It is an early chapter book: easy to get into from the first page, plenty of illustrations.
Q: Is The 13-Storey Treehouse appropriate for a 9 year old?
Yes. Bookstaken rates it for ages 9–11. It has mild violence, nothing scary, no romance and no bad language.
Q: Is The 13-Storey Treehouse part of a series?
Yes, it belongs to the Treehouse series. If your child enjoys it, the other Treehouse books are the easiest next step.
Q: What should my child read after The 13-Storey Treehouse?
Try Malgudi Adventures: Classic Tales for Children, Cricket for the Crocodile and Diary of a Wimpy Kid. They share the same kind of story and suit the same ages.
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