Here's an interview (or more like a retranscription of two radio show interviews with Guy Picciotto and Gen Friedman given in August) about the book.
http://www.exclaim.ca/articles/multiarticlesub.aspx?csid1=114&csid2=946&fid1=2740 5
You can listen to the whole show here (it includes past interviews with the other Fugazi members,Fugazi songs played live) :
http://cfru.ca/altarchive.php
(the date was 8/29...Guy's interview was scheduled at 8 AM, Glen's at 7 AM)
Oh and here's the official website about the book :
http://www.fugazibook.com/