JKR: It felt as though I was carving a book out of this mess of notes. And that's in effect what I did. It was a question of condensing, and editing, and sculpting a book out of this mass of stuff that I had on Harry. And I thought that if this got published, I really thought -- it's a book for obsessives. It's a book for the kind of people who enjoy every little tiny detail about a world. Because I have every little tiny detail about the world.