Esoteric psychology is primarily concerned with the soul or self, which is the ensouling entity or integrating principle within the physcial form. This book focuses on the process in which the personality becomes integrated with and dominated by the soul. It makes you aware that the soul has a particular quality of energy, known as ray. It is an easy to understand guidebook to self observation, subjective-guidance, character building, emotional purification, meditation and service. Further it will help the modern readers to integrate the energy rays of the personality with the soul.