Acknowledgments ++ From inception to completion, my books span almost 13 years. Such an endeavor cannot be completed without the help of many. I would like to take this opportunity to thank the following: ++ My family, especially my daughters Leah and Lauren. My parents. The exceptional team at McGraw-Hill—Michael Weitz, Brian Kearns, Armen Ovsepyan, and Catherine Saggese. To the production crew of Aptara, Inc., especially the Senior Project Manager, Indu Jawwad.