About the Book: Raja-Yoga or Conquering the Internal Nature by Swami Vivekananda is a classic guide to Raja Yoga, meditation, mindfulness, and mental discipline, inspired by Patanjali’s Yoga Sutras. It explores concentration, meditation, samadhi, self-mastery, and spiritual awakening, showing how control of the mind can lead to higher consciousness and inner peace. An essential read for anyone interested in yoga philosophy, spirituality, self-realization, and personal transformation.