Breaking the Page: Preview Edition
By Peter Meyers
Publisher: O'Reilly Media
Released: December 2011
Pages: 100
http://shop.oreilly.com/product/0636920020677.do
You have to put it in the cart and sign up for an account, but they do not require a credit card to download the preview. I don't know how long it will be available. Three chapters are included according to the write up.
If you have a kindle you can download a version from Amazon also
http://www.amazon.com/gp/product/B006IIXBO0/ref=kinw_clar_choose1
Bev