Michele M. Burlew designs and programs SAS applications for data management, data analysis, report writing, and graphics for academic and corporate clients. A SAS user since 1980, she has expertise in many SAS products and operating systems. Burlew is the author of seven SAS Press books: SAS Hash Object Programming Made Easy; Combining and Modifying SAS Data Sets: Examples, Second Edition; Output Delivery System: The Basics and Beyond (coauthor); SAS Guide to Report Writing: Examples, Second Edition; SAS Macro Programming Made Easy, Third Edition; Debugging SAS Programs: A Handbook of Tools and Techniques; and Reading External Data Files Using SAS: Examples Handbook.