eXtreme Project Management, by Doug DeCarlo, Book, 2004, Jossey-Bass Inc., $47.
The book has many definitions such as: Extreme project management is the art and science of facilitating and managing the flow of thoughts, emotions, and interactions in a way that produces valued outcomes under turbulent and complex conditions: those that feature high speed, high change, high uncertainty, and high stress.
Doug DeCarlo explains the differences between traditional project management and extreme project management.
eXtreme Project Management has a good model for and overview of managing complex and unpredictable projects.
Extreme project management approaches should work in a complimentary fashion with more traditional PM approaches (DeCarlo, 2004).
eXtreme Project Management: Using Leadership, Principles, and Tools to Deliver Value in the Face of Volatility.