Who knows how this book was received during it's original time as a new release on the shelf? The point is, copies are for sale and if you're terribly interested in rising to the challenge of the title, don't let us stand in your way. The authors, we assume, knew what they were talking about.
As for the rest of us, there's so much to study here:
For real, just put the title of this book into the search engine of your choice and find out what's inside. Then tell us.