LED ZEPPELIN Led Zeppelin IV (2005 UK 4.5" x 6.5" 177-page book written by Erik Davis, part of the ongoing '331/3' series, which introduces and discusses classic albums; in this volume, Davis investigates the magic [black or otherwise] that surrounds the album, revealing the dark and often mystical roots of each song - leaving the reader to decide whether is some form of occult induction or just an inspired, brilliantly played rock album)