Or you can just download the pdf for free ...
Yep, I've done that. No time to read it right now (gotta learn me French verbs), and alot of the articles I've already read.
Would still be good to have the physical book. Not only because it'd be contributing to the GNU project, but it would be cool to have in my room. And to show/lend/explain it to people. It's the kinda book lots of people would be slightly interested in.