The heart of glass
Age rating: Ages 10–12 · Children
Age rating and Christian content guidance for parents.
First published 2009
Eliza discovers a hidden world and a magical glass heart that holds a secret.
Concern Level
Clean
Virtue Level
Thin
Concern Level
Clean
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 presentAbsence of sexual content is noted.
There are some mild threats and challenges.
No profanity is present in the text.
No blasphemy is included in the narrative.
Substance use is not a theme in this book.
No instances of suicide or self-harm are present.
The hidden world and its secrets create mystery.
A magical glass heart is central to the plot.
No LGBTQ+ themes are present in the book.
The book does not promote a non-Christian worldview.
No negative portrayals of God or Christians are present.
Virtues to celebrate
Higher = stronger presenceEliza shows some bravery exploring.
No Christian faith elements are present.
Eliza is curious and determined.
No themes of grace, mercy, or repentance are present.
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