I have seen and heard that many people have a long list of quests from worlds before or just a bunch of side quests that make them get side tracked. I think the quest list should first be shown as a page with all the worlds listed. Clicking on the world, would open up a new page in your Spell book that shows all the quests you have in that world, and the quests will be ordered by Main Quest(s) or Side Quest(s). If that world has no quests, you can't click on the link and the world name will show up on the page in grey text. Do you like this idea?