""A Short Introduction to Raja Yoga"" is a book written by Swami Vivekananda, a renowned Indian philosopher and spiritual leader. This book is a concise guide to the practice of Raja Yoga, which is one of the four main paths of yoga. Raja Yoga is often referred to as the ""royal path"" because it is considered the highest and most comprehensive form of yoga.In this book, Swami Vivekananda explains the basic principles of Raja Yoga, including the nature...