Lock and key
Age rating: Ages 14–17 · Young Adults
Age rating and Christian content guidance for parents.
First published 2016
Twins, Alex and Ben, discover a hidden world and a conspiracy that threatens their lives.
Concern Level
Mixed
Virtue Level
Thin
Concern Level
Mixed
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 book.
There are chase scenes and implied danger, but not graphic.
Some mild profanity may be present in dialogue.
No blasphemous content is featured.
No themes of suicide or self-harm are depicted.
No suicidal ideation or self-harm is shown.
The suspenseful plot can be mildly unsettling.
No occult or witchcraft elements are present.
No LGBTQ+ themes or characters are featured.
The story does not promote a non-Christian worldview.
God and Christians are not portrayed negatively.
Virtues to celebrate
Higher = stronger presenceAlex and Ben display bravery facing danger.
Faith is not a significant element in the narrative.
Brotherly love and loyalty are central themes.
Themes of perseverance are present.
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