Once you realize that A Personal Daily Calorie Budget is the main key to managing your weight, a natural interest may come for comparing calorie info for foods and beverages. This book lists calorie info per one gram for the foods and beverages of the world. Use the book as a conversation piece for your coffee table, more accurately determine how many calories you are consuming or find a lower calorie item to meet your budget for the day. This book is another essential piece to a prepper's library to help manage food resources.