This book is for anyone ready to commit to extensive healthy weight loss. It is geared for and originally written for post-operative weight loss surgery patients to make certain their surgery works. Follow this workbook and obtain your weight loss goals. Learn how to get to goal AND stay there through personal commitment and accountability, the keystones to success in any endeavor. Dr. Simpson believes that if you can measure it, you can manage it. This is a great tool that is used in support groups everywhere.