The Complete Works of Swami Vivekananda gathers lectures, essays, letters, conversations, poems, and translations that articulate a wide-ranging vision of Vedanta, yoga, religion, ethics, education, and social service. Moving between philosophical exposition, devotional reflection, polemic, and intimate correspondence, the collection reveals Vivekananda's ability to translate Sanskritic concepts into compelling modern English without entirely effacing their metaphysical depth. Written amid colonial India's encounter with Western modernity and the late nineteenth-century comparative study of religion, these texts connect Advaita Vedanta with practical spirituality, universal religious fellowship, and disciplined action. Together, they form both a substantial literary archive and a foundational document of modern Hindu thought. Born Narendranath Datta in 1863, Vivekananda became the foremost disciple of Sri Ramakrishna, whose experiential mysticism deeply shaped his intellectual and spiritual development. His appearance at the 1893 World's Parliament of Religions in Chicago established him as an influential interpreter of Hinduism abroad, while his subsequent teaching in India and the West encouraged a synthesis of contemplation, service, and national renewal. The collection preserves the development of these ideas across changing audiences and circumstances. This edition is essential for readers seeking a direct encounter with Vivekananda's thought rather than a simplified biography or secondary interpretation. It will reward students of religion, philosophy, colonial intellectual history, and global literary culture, while offering general readers an unusually vivid record of a thinker who made spiritual universalism a program for individual and social transformation.