books.google.com - The problem. Risk: The basic problem. A development episode. Economics of software development. Four variables. Cost of change. Learning to drive. Four values. Basic principles. Back to basics. The solution. Quick overview. How could this work? Management strategy. Facilities strategy. Splitting business...http://books.google.com/books/about/Extreme_Programming_Explained.html?id=G8EL4H4vf7UC&utm_source=gb-gplus-shareExtreme Programming Explained