How successful was Rex Ryan’s 2009 season? He’s scored a book deal after his very first year as an NFL head coach. The book, to be written with Don Yaeger, will be a mix of an autobiography and insight into his leadership style, so between this and the upcoming season of Hard Knocks, you’ll be learning quite a bit about the Jets’ coach in the coming months. Yaeger will be spending the next several weeks with Ryan for the book; here’s hoping Ryan’s voice in the final product reads something like it does in these. [NYDN]