Diablo: Book of Tyrael

He has crafted this illustrated tome as a call to arms and a
guide for his allies in their fight against the growing danger.

Bristling with secrets about Sanctuary's past, present, and
future, this compendium is taken from the writings of Tyrael himself as well as
from those of famed scholar Deckard Cain and his niece, Leah. In the uncertain
times ahead, the knowledge contained in this volume may mean the difference
between humanity's salvation and damnation. Do not tarry while evil gathers its
power. Make your stand against the darkness in Blizzard Entertainment's Diablo(R)
universe.