Elaine Marmel is President of Marmel Enterprises, LLC, an organization that specializes in technical writing and software training. Elaine left her native Chicago for the warmer climes of Arizona (by way of Cincinnati, Ohio; Jerusalem, Israel; Ithaca, New York; Washington, D.C., and Tampa, Florida) where she basks in the sun with her PC, her dog Josh, and her cats, Cato, Watson, and Buddy, and sings barbershop harmony with the 2006 International Championship Scottsdale Chorus. Elaine spends most of her time writing; she has authored and co-authored over 50 books about Microsoft Project, QuickBooks, Peachtree, Quicken, Microsoft Excel, Microsoft Word for Windows, Microsoft Word for the Mac, Windows, 1-2-3 for Windows, and Lotus Notes. From 1994 to 2006, she also was the contributing editor to monthly publications Peachtree Extra and QuickBooks Extra.

Nancy C. Muir is the author of over 50 books on topics including project management, desktop applications, the Internet, distance learning, and ecommerce. She is the author of Microsoft Project For Dummies, and Microsoft Project For Dummies Quick Reference. She has also written or contributed to several textbooks for middle-school students. Her books have won awards for excellence and have been translated into over a half-dozen languages. Prior to her writing career, Ms. Muir trained Fortune 500 companies in project management software, and taught technical writing at the university level. Her company, The Publishing Studio, specializes in writing, editing, and consulting services for the publishing industry.