I didn't even try to read the book, but went through a bunch of review papers (which of course all try to summarize the main ideas of the book) and feel like I got a general understanding that way. I wanted to see how his ideas compare to his peers (so as to judge how much of an advance they are upon the state of the art), and that's when I found the SEP lacking any discussion of them (which still seems fairly damning to me).