I am the first to agree: I still wouldn't get a book with "web" in the title from 2011 (which is incidentally from when my knowledge gap of eg CSS widens).

I suspected and then checked the TOC to confirm: the book does not cover flex layout, multiple device layout etc, yet it prides itself on offering "practical CSS and HTML" tips.

If you are looking for a pure typography book, get a classic like Bringhurst that applies equally to all media.