YouTube has video called: The Magical Typewriter guide - How to get to the Dark Forest. It explains it: https://www.youtube.com/watch?v=PvZlPaQnYUQ

Not yet, but you can find chest full of coins behind Janes house.

You will get Fire Phoenix Spell from coming update. I'm working on it.

There is a door beneath the wizard that will lead to a next puzzle where his staff is.

They are all real books you can read. If you go to the last page of Alice in Wonderland you will find hidden spell.