Reed Mangels is a nutrition advisor for the non-profit, educational Vegetarian Resource Group as well as nutrition editor and a regular columnist for the quarterly publication, Vegetarian Journal.Reed also wrote the nutrition section of Simply Vegan, co-authored Vegan and Vegetarian FAQ, and has recently written chapters on Vegetarian Diets in Pregnancy and for Children for Handbook of Nutrition and Pregnancy and Nutrition in the Life Cycle.She is the co-author of the American Dietetic Association's most recent position paper on Vegetarian Diets.Reed is also a lecturer in the Nutrition Department of the University of Massachusetts Amherst. Virginia Messina, MPH, RD is a registered dietitian with a masters in public health nutrition from the University of Michigan. She has taught nutrition at the university level, was a foods and nutrition specialist for the Michigan Cooperative Extension Service and was director of nutrition services for George Washington University Medical Center. She works on a number of projects with the American Dietetic Association's Vegetarian Nutrition Dietetic Practice group, served as editor of the newsletter Issues in Vegetarian Dietetics, is editor of a series of fact sheets on vegetarian nutrition produced by ADA and is co-author of the ADA's 1997 position paper on vegetarian diets. Ms. Messina is widely quoted in the media, writes for a number of publications and is a regular contributor on plant food issues to Encyclopedia Britannica. She is a co-founder of the peer-reviewed journal Vegetarian Nutrition: An International Journal and serves as editor for online and print resources for this publication. Ms. Messina is also senior editor of the international newsletter Vegetarian Nutrition and Health Letter, and is co-owner of the first Internet list serve to address vegetarian issues from a scientific perspective. She is co-author of The Vegetarian Way (Crown Books, 1996), The Dietitians Guide to Vegetarian Diets: Issues and Applications (Aspen Publishers, 1996), The Simple Soybean and Your Health (Avery Publishers, 1994), and has co-authored two vegetarian cookbooks, The Vegetarian No-Cholesterol Barbecue Book (St. Martins Press, 1994) and The Vegetarian No-Cholesterol Family Style Cookbook (St. Martins Press, 1995).