Cockburn Alistair. Agile Software Development

Addison-Wesley Professional, 2001. — 304 p.Presents sound advice for bringing difficult projects to successful conclusion with a minimum of stress. Written for developers and project managers, comparing software development to a game.Is software development an art, a craft, science, engineering, or something else entirely? Does it even matter?
Yes, it does matter, and it matters to you. Your actions and their results will differ depending on which of those is more correct.
The main thing is this: You want your software out soon and relatively defect free, but more than that, you need a way to examine how your team is doing along the way.