Since 1981 Kerrang! has been delivering the decibels as a best-selling heavy metal magazine. Covering everything from Led Zeppelin to Guns N' Roses, and from Metallica to Megadeth, The Kerrang! Directory of Heavy Metal is the definitive guide to this style of music. Over 600 bands, from AC/DC to the grunge bands exploding from Seattle, are listed here, each with a selective discography as well as biographies, pictures and in-depth analysis of 50 of the most influential metal bands of all.