[a3_nm]

I bought the paper book and was a bit disappointed by it. The material is fairly basic, so that you don't learn much, and the quality of the typesetting is quite poor... :/ (Maybe the first criticism doesn't apply to the "advanced" sequel, though.)

[pessimizer]

Upvoted for generously delivering information that you think would be helpful and that I couldn't have known without buying the book myself.