I read it when it first came out; I was 18, and it was formative in my early career in CS. For someone in their teens it was a wonderful introduction to things

I read it when it first came out; I was 18, and it was formative in my early career in CS. For someone in their teens it was a wonderful introduction to things that my high school education never really touched. I don't know if I'd have the patience to read it today.