Anyone can write one book: even politicians do it. Starting a second book reveals an intention to be a professional writer.
“They wanted me to do Scream 2, and I hate talking about movies I turned down, because it sounds judgmental. There's nothing wrong with horror movies. I enjoy watching them. The main reason I turn a part down is if I think I won't be good.”
“Writing has laws of perspective, of light and shade just as painting does, or music. If you are born knowing them, fine. If not, learn them. Then rearrange the rules to suit yourself.”