Raja Yoga is a book by Swami Vivekananda about the path of Raja Yoga. It is one of the most well-known books by Vivekananda, who also wrote books on Karma Yoga, Bhakti Yoga and Jnana Yoga. According to him, the goal of Raja Yoga is how to concentrate the mind, how to discover the innermost recesses of our own mind and how to generalise their contents and form our own conclusions from them.