The Invasion of Draenor

"The Invasion of Draenor" is a section of the History of Warcraft, Chapter IV. It recounts the events of Warcraft II: Beyond the Dark Portal.

Found at:
 * Scholomance - room before Viewing Room
 * At the beginning of the instance, kill the guards. Walk up to the iron gate, then jump over the balcony to your left.  The book is on the wall that runs around the room. Level 80 spellcasters beware: many of the mobs in this room are magic immune.

Timeline:
 * ← Previous book: The Alliance of Lordaeron
 * → Next book: The Birth of the Lich King