The Apostleship of Prayer is a book written by Henri Ramiere in 1874. It focuses on the concept of a ""Holy League"" of Christian hearts united with the heart of Jesus. The book explores the idea that prayer is not just a personal act, but a communal one that can bring individuals closer to God and to each other. Ramiere emphasizes the importance of devotion to the Sacred Heart of Jesus and the power of prayer in strengthening one's faith and promoting...