Success and failure teach different lessons. Lessons from failure tend to revolve around what not to do next time around, whereas lessons from success focus on what you can do again, perhaps even better. But whether you experience success or failure, the key is to take the time to learn from what happened.

The first step in any significant software procurement is to assure there is a clear definition of the business problem being solved. If you don’t know what you want, you aren’t prepared to negotiate for it, so you'll end up with a system or tool that isn't what you need—and you'll likely be disappointed at delivery.

If you are searching for agile knowledge, there are many books outside the current literature that may enlighten you. Some discuss the underpinnings of concepts we consider agile, while others are contemporary business books that present compelling ways to use agile effectively. Here are three Jeff Payne recommends.