Part of a nine album cardboard sleeve reissue series of popular albums from Deep Purple and the related artists. Complete series includes "Slaves And Masters," "The Battle Rages On," "Purpendicular" (all from Deep Purple) , "Stranger In Us All" (from Ritchie Blackmore's Rainbow), "Dregs Of The Earth," "Unsung Heroes," "Industry Standard" (from The Dregs,) "Structural Damage" and "Stress Fest" (from the Steve Morse Band.)