Number 9
Age rating: Ages 13–15 · Teens
Age rating and Christian content guidance for parents.
First published 1950
Number 9 is a science fiction adventure about a young boy who discovers a hidden world and a secret.
Concern Level
Mild
Virtue Level
Thin
Concern Level
Mild
Virtue Level
Thin
What is Dokilit?
Dokilit is an AI-powered content guide for Christian parents. We analyse books through the lens of faith and family, then show you the concerns, the virtues, and the conversation points that matter for your home.
Things to consider
Higher = more presentNo sexual content is present in the story.
There are scenes of pursuit and mild peril.
Profanity is absent from the text.
No religious themes or blasphemy are present.
No substance abuse is depicted.
No instances of suicide or self-harm are present.
Some suspenseful moments exist, but not outright horror.
Occult or witchcraft themes are not present.
No LGBTQ+ themes or characters are featured.
The story focuses on scientific discovery and adventure, not religious worldview.
No negative portrayals of Christians are present.
Virtues to celebrate
Higher = stronger presenceThe protagonist shows bravery in facing the unknown.
Christian faith is not a theme in this book.
Friendship is present, but not a central theme.
Themes of grace or mercy are not present.
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