Rasayana: Ayurvedic Herbs for Longevity and Rejuvenation is a comprehensive textbook authored by H. S. Puri, focusing on the subject area of health & fitness and medical practices. The book delves into the world of alternative & complementary medicine, specifically exploring herbal medications and traditional herbal remedies for modern times. With 368 pages, this hardcover publication provides valuable insights into the use of Ayurvedic herbs for longevity and rejuvenation, making it a valuable resource for those interested in natural health practices.