I reaaly think books are a good idea. Here more details about my opinion:
- There should be 3 ways to learn: Theorical (by books), therical (by teaching), pratical.
- Some skills could requiert only one of the two theorical ways (or both), but pratical would be necessary.
- The order to learn would be important: so you\'d have to first read book(s), learn by a teacher and then practice it; when books are unecessary, it would be like it is now.
- for exemple, a book could have a range of what it can learn (let\'s say Crystal Way, 1-5) and a minimum intellgience to understand to book (well, combat skill won\'t need books, so...). Book reading could be a skill that would influence the rapidity of reading (learned by teaching, and by practice (that would be when you read story or knowledge books)
- When you read books, there would be a jauge that tells you the reading progression. You could stop whenever you want and continue after. When it\'s over, you are ready to learn with the teacher.
- What a book can learn and how much intelligence it takes to understand it could be hide to players, by telling the same message (\"You can\'t understand this book\", for exemple). We could have an idea about this with the price the book cost

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- Some books could be very rares and giving after very hard and long quests.
- It would not be hard to implement because it\'s almost the same system; it\'s just a new similar thing to add