About the Author Mr. Patrick Carey received his M.S. in biostatistics from the University of Wisconsin where he worked as a researcher designing and analyzing clinical studies. He co-authored his first textbook on using Excel as a statistical tool. Today, Mr. Carey has authored or co-authored more than 20 leading academic and trade texts for the software industry. Ms. Carol DesJardins spent 25 years in the private sector as a programmer, systems analyst and eventually Chief Information Officer. During that time, she honed her skills with Excel as an analysis tool. She transitioned her knowledge to the classroom and has taught several applications and programming courses. Ms. DesJardins co-authored her first textbook on Excel. In addition to writing, she continues to teach at St. Clair County Community College. Ms. Ann Shaffer is the co-author of NEW PERSPECTIVES ON MICROSOFT WORD and has contributed to many other Cengage publications. She has more than 25 years of experience as a developmental editor and co-author of books, journal articles and multimedia in a variety of fields, including computer science, mathematics, history, engineering and social sciences. She holds a masters degree in English from the University of Wisconsin-Madison. Mr. Sasha Vodnik is a web developer, author and instructor. He enjoys the challenge of remaining on top of the fast-changing landscape of the modern web and welcomes the opportunity to explain how to write clean, powerful code in languages, such as HTML, CSS, JavaScript, and XML.