I think I'll check it out. I've just read the introduction (on Amazon) and the review that ghost posted.
I don't know how much Chinen's aesthetics line up with my own -- some of the musicians that he's writing about don't much appeal to me -- but it sounds like Chinen is touching on some interesting, BIG topics: Jazz vs. "Jazz", the tension between the jazz tradition and the broader culture. Knowing what I know about the book (which, like I've said, is practically nothing), it sounds like Chinen might exploring some of the same territory that Howard Mandel did in his book about Miles, Ornette, and Cecil. The sub-title of that book is Jazz Beyond Jazz.
Anything that stirs the pot a bit is (or at least can be) good, right?
And, like Steve points out, at least he's writing about contemporary musicians. That counts for something. (Or at least it does for me.)