The Tree of Yoga and Light of Yoga are both classic yoga works by Egyan, a modern yoga master. "Light of Yoga" comprehensively introduces the practice methods of yoga, and there are more than 500 pictures of yoga poses in the book. Become a classic in the history of yoga. It has been translated into 19 languages and published worldwide. The Tree of Yoga is a collection of his speeches in European countries. From the practical application of yoga in daily life to the philosophical thinking corresponding to body and mind, he taught the world the whole picture and essence of this knowledge. The book also discusses family, love and sex, health and healing, meditation and death, gives a complete guidance and integration to yoga and life, and provides many valuable experiences and suggestions for yoga teachers. If you are a yoga practitioner, these two books are worth collecting and reading intensively. If you are just getting started, you can watch Light of Yoga first. The introduction of asana in the book is very helpful for beginners to practice.