Found at: * The Apothecarium of Undercity - near Herbalism trainers * The Domicile section of Blackrock Depths * Darnassus - next to Argent Guard Manados [[:File:|[, ]]] * The Hall of Explorers in Ironforge. * Menethil Harbor in the Wetlands, inside Menethil Keep. * Scholomance in the Western Plaguelands in the hallway just beyond the Chamber of Summoning. Timeline: * ← Previous book: Sargeras and the Betrayal * → Next book: Charge of the Dragonflights