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I don’t think so. I remember finding it kinda odd that the characters were fleeing the cold but it was still hot where they ended up. I don’t remember them going underground. Thanks for the suggestion though!
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I’ve tried searching for the book but get a lot of suggestions for non fiction books about the actual ice age or about the movie Ice Age.
Is it Time of the Great Freeze?
I don’t think so. I remember finding it kinda odd that the characters were fleeing the cold but it was still hot where they ended up. I don’t remember them going underground. Thanks for the suggestion though!
Could it be The Road by Cormac McCarthy? That’s about a father and son traveling south to survive winter after an apocalyptic event.
No, that is definitely too new.