The secret of the old mill
Age rating: Ages 10–14 · Children
Age rating and Christian content guidance for parents.
First published 1927
Brothers Frank and Joe Hardy investigate a series of mysterious events and a hidden treasure at an old mill.
Concern Level
Clean
Virtue Level
Present
Concern Level
Clean
Virtue Level
Present
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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 this book.
Mild peril and chase scenes occur during investigations.
No profanity is present in this book.
No blasphemy is present in this book.
No substance abuse is present in this book.
No suicide or self-harm is present in this book.
Some suspenseful moments arise from the mysteries.
No occult or witchcraft elements are present in this book.
No LGBTQ+ themes are present in this book.
The worldview is neutral, focusing on logic and justice.
No specific religious figures or groups are portrayed.
Virtues to celebrate
Higher = stronger presenceFrank and Joe show courage in facing unknown dangers.
No Christian faith elements are present in this book.
Brotherly loyalty and a strong sense of justice are evident.
The book promotes problem-solving and perseverance.
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