"The Three Apostles of Quakerism: Popular Essays on Fox, Penn, and Barclay" is a book written by Benjamin Rhodes that tells about the lives and activities of three outstanding people - George Fox, William Penn, and Robert Barclay - who became the founders of the Quaker movement. The author reveals in detail the history of the emergence of this religious group, in which the emphasis is on inner spirituality, peace and non-violence. The book allows you to understand what principles and ideas guided these people, as well as how their views influenced the further development of the Quaker movement. "The Three Apostles of Quakerism" is an inexhaustible source of knowledge for those interested in the history of religious movements and the search for spirituality.