" What is Communion? Why did Jesus give us this extraordinary gift? How do we receive Communion? The Second Vatican Council described the eucharistic sacrifice as the ""source and summit of all Christian life."" Using the most current translation of the Roman Missal, our bestselling authors explain this great mystery. Drawing on the trusted and popular Catholic Update newsletter, the Catholic Update Guide to Communion will help you understand the history and meaning of Communion. Whether you are new to the Church, guiding your child through First Communion, or returning to the sacraments, this book will help you grow stronger in your faith. "