[Acrobatic_Road]

I had the same thought. I don't remember if it was exactly this book, but I remember reading a book that explained all kinds of engineering concepts for my kid brain. And I remember the latter part of the book had some computer science content like how compression works.

[vunderba]

If it had an abundance of woolly mammoths then it was likely this book. Highly recommended - covers everything from reactors to pin tumbler locks.