Questions.

While reading the book I ran into some questions.
Is the society the True knot good or not? What does it exist for? I know its members also have some magic abilities but that's what I know. 

What exactly links Abra and Dan? I suppose someday they will meet and will fight against something evil, may be society the True Knot. 

Who is that mysterious Rose the Hat? What is her role in the book? 

I hope I will understand everething soon and tell you then.