I had a very similar experience with the "Poignant Guide To Ruby" back in the day. It had an enormous cult following, it's a charming piece of programming-theme

I had a very similar experience with the "Poignant Guide To Ruby" back in the day. It had an enormous cult following, it's a charming piece of programming-themed art, and probably did a lot to encourage people to want to learn the language, but I found it wasn't actually very practical as a tool for learning.