The definitive biography of legendary bassist Cliff Burton, who died tragically young but continues to have a profound impact on his band, Metallica, and the world of heavy metal.

Today, Metallica are known as consummate musicians, but it wasn't always that way. Their early career is marked by a gradual evolution from garage thrash to sophisticated, progressive heights - an evolution driven by their bass player, Cliff Burton, who pushed the band to new heights with his songwriting ability and phenomenal bass skills across the band's first three albums, including their undisputed masterpiece, Master Of Puppets.