As someone who spend a lot of time designing iPhone apps I have to say that I really enjoyed Tapworthy ( http://www.amazon.com/gp/product/1449381650 http://www.

As someone who spend a lot of time designing iPhone apps I have to say that I really enjoyed Tapworthy ( http://www.amazon.com/gp/product/1449381650 http://www.amazon.com/gp/product/1449381650 ) I also finally read "Founders at Work", but I'm sure you all read that already.