ACKNOWLEDGMENTS
We thank the many dedicated people at McGraw-Hill Professional who have been so helpful to us, proving once again that writing a book is truly a team effort. A special thank-you goes to Timothy Green, Executive Acquisitions Editor, and his great team with whom we have worked on different projects for several years. His cohorts guided us through this project. They are Meghan Riley Manfre, Associate Acquisitions Editor, and Stephanie Evans, Acquisitions Coordinator. They have all smoothed the way for us and deserve great credit for the success of this book. Meghan found a researcher for us when we desperately needed help with the work load, and Stephanie devised an incentive system for on-time work that involved YouTube videos! ...

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