How to Read a Nutrition Label - dummies About the book authors: Jane Kirby, RD is a registered dietitian and member of the American Dietetic Association. She is the food and nutrition editor of Real Simple magazine and owner of The Vermont Cooking School, Inc TM in Charlotte, Vermont. Jane is the former editor of Eating Well magazine and the food and nuitrition editor for Glamour.She served on the dietetics staff of the ...