Cain's Lost Satchel

Cain's Lost Satchel is a container randomly found across the first half of in Diablo III. Each satchel randomly contains one of the eight lore entries for seven Lords of Hell, as recorded by Deckard Cain: Each book can only be found once; subsequent satchels will be empty after finding all eight.
 * Andariel, the Maiden of Anguish
 * Azmodan, the Lord of Sin
 * Baal, the Lord of Destruction
 * Belial, the Lord of Lies
 * Diablo, the Lord of Terror
 * Duriel, the Lord of Pain
 * Mephisto, the Lord of Hatred
 * The Seven Lords of Hell

List of known locations:
 * Secret Altar in the Howling Plateau
 * The Crumbling Vault in the Stinging Winds
 * The Ruins in the Stinging Winds
 * West entrance to the Khasim Outpost
 * Entrance to Alcarnus
 * Flooded Causeway in Caldeum Bazaar
 * Ruined Cistern
 * Dahlgur Oasis
 * The Forgotten Ruins, Dahlgur Oasis
 * Vault of the Assassin, Desolate Sands