Trailers for movies make sense -- a visual medium for a visual product. If you aim to read a book, why do you need anything more than the synopsis of the book before you know whether you want to read it?
I didn't just want to work with Erin, I wanted to be one of the animated characters in her film. I wanted to live in that world. Her sensibility just killed me, and I thought maybe things would improve for me if I talked her into a collaboration.