It's a shame that Boozereau has limited his scope, excluding the boom of well-executed Asian Violent Film. In fact, watching films like Takashi Miike's "Ichi the Killer", you could argue that Asian directors have not only upped the ante on American Hollywood violence, but that they've flat-out trumped all US attempts.
We're at the point where Asian cinema is directly impacting and inspiring American directors, as the cycle of influence comes full-circle.
It seems a broad oversight to ignore this work in any treatment of popular Violent Film, especially since this is the "Revised Second Edition" of UVM, and it would have been fairly easy to slip a few more chapters in covering the Asian scene.
Perhaps a second volume is in the works.....