Spellbook

There are 3 kinds of spellbooks:
 * 1) Regular Spellbook: The default spellbook for every player.
 * 2) Ancients Spellbook: Accessible after completing the Desert Treasure quest.
 * 3) Lunar Spellbook: Accessible after completing the Lunar Diplomacy quest. All the spells become unlocked after completing the Dream Mentor quest.