"Getting Real", their first book, is great also. Plus, you can read it free online, which makes it a no-brainer if you haven't read it already - http://getting

"Getting Real", their first book, is great also. Plus, you can read it free online, which makes it a no-brainer if you haven't read it already - http://gettingreal.37signals.com/ http://gettingreal.37signals.com/