Tome of Arcane Domination

Tome of Arcane Domination is an Alterac Valley reward.

Source
Tome of Arcane Domination is sold for by one of the Supply Officers for Alterac Valley:
 * Gaelden Hammersmith in Alterac Valley
 * Thanthaldis Snowgleam in Alterac Mountains
 * Grunnda Wolfheart in Alterac Valley
 * Jekyll Flandring in Alterac Mountains