Working out of Toronto, Canada, Martin Popoff (martinpopoff.com) has penned more than 100 books on hard rock, heavy metal, classic rock, and record collecting, including Rush: The Illustrated History, Led Zeppelin: Song by Song, Pink Floyd: Album by Album, Bowie at 75, AC/DC at 50, Kiss at 50, and In the Groove. In addition, he has appeared in Revolver, Guitar World, Goldmine, RecordCollector, bravewords.com, lollipop.com, and hardradio.com. Martin also worked on the award-winning documentaries Rush: Beyond the Lighted Stage and ZZ Top: That Little Ol' Band from Texas for Banger Films.