Many people have contributed to the quality and content of this book. I would particularly like to recognize my Acquisitions Editor, Kyle Looper, for his overall management of the project and for keeping me honest, and my Project Editor, Rebecca Senninger, for the day-to-day coordination of the project.

I also appreciate the continued support of my family and the interest of my friends and colleagues. It would not have been possible to complete a project of this magnitude without the support of those close to me.