Introduction:
Every time you want to buy a gem, you have to check the Addons（like Atlas loots）. AH search is also troublesome, so I simply compile a manual.
use:
Click the "P" key to open the spellbook to display it. It is usually invisible to avoid occupying the screen area, and it is inconvenient to click the button. It is most convenient to bind a spellbook frame.
The frame is displayed when the spellbook is opened.
google machine translation.
1.1 update：
Meta gems added.