The Black Book

• The Black Book
• Item Level 101
• Binds when picked up
• Unique-Equipped
• Trinket
• Use: Empowers your pet, increasing its attack power by 113 for 30 Sec. This spell will only affect an Imp, Succubus, Voidwalker, Felhunter, or Felguard. (5 Min Cooldown)
• Classes: Warlock
• Requires Level 30
• Sell Price: 7 20 39

The Black Book drops from Razorgore the Untamed in Blackwing Lair.

Patch changes

• Patch 2.0.3 (2007-01-09): Now provides a flat amount of spell power, attack power, and armor to your pet, instead of by a percentage.
  
• Patch 1.7.0 (2005-09-13): The effect tooltip for The Black Book now properly lists the duration.
  
• Patch 1.6.0 (2005-07-12): Added.
  

External links

• Wowhead
• WoWDB