• Book of Lost Souls
• Item Level 1Disenchants into:
  Not disenchantable
• Quest Item

Objective of

This item is needed for the following shaman and warlock quests:

•  [20D] Blessings of the Elements
•  [20D] Dreamseeker's Task

•  [20D] A Boon for the Powerful
•  [20D] Token of Power

Source

Shadowfang Keep (normal mode), found in Lord Walden's chamber.

Patch notes

• Patch 4.0.3a (2010-11-23): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB