"The Essence of Christianity" is a fundamental work of the outstanding philosopher and theologian Serhiy Bulgakov, which examines the main doctrines and ideas of Christianity. The author explores the essence of faith, shades of Christian morality, the role of the church and its architecture in the development of human spirituality. The book reveals a unique view of religious concepts and symbols, the understanding of the sacred in the world, as well as the role of man in the divine plan. Thanks to this work, the reader will be able to understand the Christian tradition more deeply and dispel many controversial issues related to religion. "The Essence of Christianity" is an indispensable book for everyone who is interested in the spiritual sphere and wants to reveal the secrets of the Christian faith.