The core philosophies of yoga are explained in such a way that it helps both the beginner and the advanced student of yoga. The book includes an explanation of the core purpose of yoga, an introduction to the four major branches of yoga, ideas on how to practice yoga in a holistic way, preparation for yoga students and what to keep in mind when choosing a spiritual teacher. The book also includes a Sanskrit glossary and a recommended reading list. The reader should gain insight into the philosophies that form the foundation of yoga.