System of a Down has evolved from a cult band whose demo tapes swapped hands voraciously on the metal underground to one of the world's biggest bands, having sold in excess of forty million albums. It's not just well-informed music fans that love them - the CIA certainly knows about them . . . and trails them closely. Featuring exclusive new interviews with the band and major players involved in their story, Ben Myers' book is the first and the definitive account of this remarkable band.