Think about Led Zeppelin and the image coming to mind would be of them straddling the world as the archetypal 'rock gods', defining the 1970s like no other artist did. Dig deeper though, and there's a lot more to Zeppelin than hard rock and bluster, with folk and blues strongly threading through their catalogue from the very beginning. This book digs into every Led Zeppelin track recorded during their decade-long existence before John Bonham's...