There is an digital unedited pre-release version that available now if you pre-order: http://shop.oreilly.com/product/0636920033707.do http://shop.oreilly.com/

There is an digital unedited pre-release version that available now if you pre-order: http://shop.oreilly.com/product/0636920033707.do http://shop.oreilly.com/product/0636920033707.do I'm reading the PDF and it's quite good.