This book is a must-read for anyone interested in improving their posture. Written by Janet Jane, it provides a comprehensive guide to good posture and how to achieve it. The book is available in English and is perfect for those who want to learn more about the topic. The book covers a range of aspects related to posture, including the importance of a proper spine, how to sit and stand correctly, and the role of exercise in improving posture. It is an excellent resource for anyone looking to improve their overall health and well-being.