This, I'm sure, is of interest to all of us who are involved in fan activities. When do fan activities cross the line into actual, suable copyright infringement? This might answer that question . . .
Rowling wins lawsuit against fan.
I understand, I think, why the judge ruled the way he did. The fan site is not for profit; a book would be. Copyright is a gray area anyway, and when you factor in Fair Usage, it gets even more so. I wonder if this case will be cited a precedent in the future.