Mary S. Schaeffer is the Editorial Director and Publisher of "Accounts Payable Now & Tomorrow," a newsletter devoted to payment issues. She also pens, "e-News from the AP Front," a complimentary e-zine for the payment community. She's the author of ten books and numerous magazine, newsletter and newspaper articles. Her books have been used in several certification programs. She is a member of the New York Financial Writers Association. She is currently working on two additional books for John Wiley & Sons.