This comprehensive, pragmatic tutorial on Agile Development and eXtreme programming, written by one of the founding father of Agile Development. Teaches software developers and project managers how to get projects done on time, and on budget using the power of Agile Development. Uses real-world case studies to show how to of plan, test, refactor, and pair program using eXtreme programming. Contains a wealth of reusable C++ and Java code. Focuses on solving customer oriented systems problems using UML and Design Patterns.