As far as text books go this was quick to get through and easy to digest. There are plenty of practical tips that can be added to any website instantly as well as a good amount of solid general information.
As with most books on the internet some parts are slowly creeping out of date. The good far outweighs the bad so for the money it's a good buy.
I haven't read it all yet, but it shows a really promising book! What I ve read up to now, is stuff I knew already, but the book does a good job to point them out and help me organize the information in my head!