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Cover of Keeper of the Lost Cities

Age rating and parents' guide:Keeper of the Lost Cities

by Shannon Messenger

Ages 9–14

Keeper of the Lost Cities by Shannon Messenger is best for children aged 9–14. It has mild violence, a few mildly scary moments, a little romance and no bad language.

Twelve-year-old Sophie has never fit in with humans, largely because she can read minds. Everything changes when she meets a mysterious boy and discovers she is an elf from a magical, hidden civilization. Invites older readers to reflect on compassion, courage, and resilience.

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Content ratings

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

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

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

At a glance

  • ★Novel
  • ★Part of the KotLC series
  • ★A steady start that picks up quickly
  • ★Mostly text
  • ★Emotionally light

Great for kids who like

  • Action & Adventure

Reading mood

  • Adventurous
  • Suspenseful

Good to talk about

  • Family
  • Action & Adventure

Books like Keeper of the Lost Cities

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    Ages 9–14

    Pax

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    Peter and his pet fox, Pax, have been inseparable ever since Peter rescued him as a kit. But when war breaks out, Peter's father enlists and forces him to return Pax to the wild. Offers space for thoughtful conversations about empathy and difficult choices.

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  • Cover of The Explorer

    Ages 9–14

    The Explorer

    by Katherine Rundell

    When a small plane crashes into the Amazon rainforest, four children survive alone with no adults to guide them. Fred, Con, Lila, and young Max must quickly figure out how to forage, build shelter, and navigate the jungle's dangers together. A lovely starting point for noticing and appreciating nature together.

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  • Cover of Nevermoor

    Ages 9–14

    Nevermoor

    by Jessica Townsend

    Morrigan Crow is cursed and blamed for every local misfortune, doomed to die on Eventide. Instead, a mysterious man named Jupiter North whisks her away to the secret, magical city of Nevermoor. Encourages children to feel proud of who they are and value others.

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  • Cover of Warriors

    Ages 9–14

    Warriors

    by Erin Hunter

    This fantasy adventure introduces readers to Rusty, a curious house cat who leaves his comfortable domestic life to join ThunderClan, one of four rival groups of wild cats living in the forest. Invites older readers to reflect on compassion, courage, and resilience.

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  • Cover of The Land of Stories

    Ages 9–11

    The Land of Stories

    by Chris Colfer

    After losing their father, twins Alex and Conner receive a cherished fairy-tale book from their grandmother that unexpectedly acts as a portal into a magical realm. Encourages gentle, guided conversations about challenging feelings and experiences.

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  • Cover of Hatchet

    Ages 12–14

    Hatchet

    by Gary Paulsen

    After surviving a fatal plane crash, thirteen-year-old Brian finds himself stranded alone in the remote Canadian wilderness. With only the clothes on his back and a hatchet gifted by his mother, he must figure out how to find food, build shelter, and protect himself from wild animals and harsh weather. Encourages gentle, guided conversations about challenging feelings and experiences.

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On these book lists

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Questions parents ask

Q: What age is Keeper of the Lost Cities for?
Keeper of the Lost Cities suits children aged 9–14. It is a novel: a steady start that picks up quickly, mostly text.
Q: Is Keeper of the Lost Cities appropriate for a 9 year old?
Yes. Bookstaken rates it for ages 9–14. It has mild violence, a few mildly scary moments, a little romance and no bad language.
Q: Is Keeper of the Lost Cities part of a series?
Yes, it belongs to the KotLC series. If your child enjoys it, the other KotLC books are the easiest next step.
Q: What should my child read after Keeper of the Lost Cities?
Try Pax, The Explorer and Nevermoor. They share the same kind of story and suit the same ages.
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