The first volume of the Letters of Helena Roerich contains writing of a rare quality and great depth. Helena Roerich addresses a wide range of subjects, including the intelligence of the heart, the development of thought, the importance of the rôle of women, the different worlds and their mutual interactions, karma, etc. All these subjects nourish an inspired reflection on the idea of the spiritual quest and the fate of man. A passionate and visionary spirit, Helena Roerich had a profound contemplation of life from a very young age, and her love of humanity is evident. Beginning in the 1920s, she launched into writing a series of books titled Agni Yoga, which show how every being can learn to live in accordance with the laws of the cosmos.