20,000 baseball cards under the sea
by Jon Buller
Age rating: Ages 13–15 · Teens
Age rating and Christian content guidance for parents.
First published 1991
A young boy named Kevin discovers a hidden world beneath the sea after a mysterious storm.
Concern Level
Mild
Virtue Level
Thin
Concern Level
Mild
Virtue Level
Thin
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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 the story.
Mild peril occurs when Kevin faces underwater challenges.
No profanity is used by the characters.
No blasphemous language is present.
No substance use is depicted.
No themes of suicide or self-harm are present.
Some underwater creatures might be slightly unsettling.
No occult or witchcraft elements are featured.
No LGBTQ+ themes are present.
The story does not promote a non-Christian worldview.
No negative portrayals of God or Christians are present.
Virtues to celebrate
Higher = stronger presenceKevin shows courage facing the unknown underwater world.
No explicit Christian faith elements are present.
Friendship is shown between Kevin and his new underwater companions.
No themes of grace, mercy, or repentance are central.
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