You shouldn't read this book to learn modern practices. You should read it to improve your way of thinking about problems. The book is timeless if you think about it this way.
Abrash had[0] a way of explaining things that just clicked with me. His Zen of code optimization book really taught me how to think about refining my code. And where to stop refining when enough was enough.
[0] I know he's still around. Just haven't read anything by him in forever it seems.
