This edition of the works of Hazrat Inayat Khan for the first time provides the Russian reader with the opportunity to become acquainted with the works of this most prominent Sufi master and musician of the early 20th century, widely known throughout the world. This volume includes four works: “The Path of Illumination”, “Inner Life”, "Soul: from where and where?" and "The Purpose of Life", which can be considered both as an introduction to Sufism and as a presentation of the Sufi mystical concept, coupled with the thoughts developed on this subject by Hazrat Inayat Khan.