Author Tony Rettman is about to release his new book Straight Edge: A Clear Headed Hardcore Punk History. This Thursday at 7pm, at the Sonos store in Soho, Rettman will be doing a Q&A with filmmaker and founder of Metrozine, Scott Crawford. Rettman previously wrote NYHC: New York Hardcore 1980-1990. You can RSVP at: tonyrettman.splashthat.com.