This book by Bhaktivinoda Thakura (1838–1914) sets out in a concise and accessible form the essence of the teachings of Sri Chaitanya Mahaprabhu (1486–1534), whom Gaudiya Vaishnavas consider the earthly incarnation of God, Krishna, who came to teach people all over the world simple and at the same time, the sublime method of bhakti yoga - the yoga of devotional service to the Lord. The book is of interest to Indologists, students studying the history of religion, as well as for anyone interested in the philosophy of Gaudiya Vaishnavism.