""A Treatise of the Sacraments"" is a book written by John Jewel, a bishop of the Church of England in the 16th century. The book is a collection of sermons preached by Jewel on the subject of the sacraments, which are important religious rituals in Christianity. In the book, Jewel discusses the sacraments of baptism and the Eucharist, also known as communion or the Lord's Supper. He explores their significance in the Christian faith and provides...