If you are in search for an adviser in weight loss process, then I highly recommend "4 Week Diet" book. This book will provide you with the most useful information considering weight loss. Due to advice given in the book, you will start losing weight very fast, and what is important without any stress. All given information is comprehensibly written and well structured, so it is very easy to read. This book has helped me completely change my life style; due to this book healthy life style has become a habit.