Conversations on the Science of Yoga is an encyclopedic serIes presenting the vast,timeless culture of yoga topic by toppic,through the voice of three generations of masters-Swami Sivananda Saraswati,Swami Satyananda Saraswati and Swami Niranjanananda Sarawati.The teachings are given in question and answer format with the inclusion of verses from the scriptures,connecting the modern experience with the classical tradition. Mudras and bandhas are important hatha yoga practices,yet they are not widely practiced,and with the exception of one hatha yoga scriptures,little has been written about them.They are techbiques which specifically conserve and direct prana,the energy that powers the body and mind.In the modern era,Satyananda Yoga has systematised mudras and bandhas,introducing their practice to yoga students around the world.Mudra and Bandha thoroughly and clearly presents both the classical and contemporary understanding and use of these powerful techniques. Through the wisdom of these masters,a complete understanding of hatha yoga and a vision for it’s application in the modern era is interpreted for yoga aspirants around the world.