The time machine
by Les Martin
Age rating: Ages 13–15 · Teens
Age rating and Christian content guidance for parents.
First published 1990
A group of friends uses a mysterious time machine to travel to different historical periods, encountering various challenges and learning about the past.
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 presentNo sexual content is present in the story.
Mild peril and conflict occur during time travel adventures.
No profanity is used by the characters.
No blasphemous language is present.
No substance abuse is depicted.
No instances of suicide or self-harm are shown.
Some situations may be mildly suspenseful for younger readers.
No occult or witchcraft themes are present.
No LGBTQ+ themes or characters are featured.
The story focuses on historical events and adventure.
No negative portrayals of God or Christians are present.
Virtues to celebrate
Higher = stronger presenceCharacters show bravery facing unknown historical situations.
No explicit Christian faith elements are present.
Friendship and teamwork are demonstrated.
No themes of grace, mercy, or repentance are central.
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