I really liked this one: http://shop.oreilly.com/product/0636920033677.do http://shop.oreilly.com/product/0636920033677.do (21st century C, in case the link is

I really liked this one: http://shop.oreilly.com/product/0636920033677.do http://shop.oreilly.com/product/0636920033677.do (21st century C, in case the link is wrong as I’m on my phone now)