Most Christians know that Jesus instituted the Lord's Supper just hours before his death--but they struggle to understand the relevance of this foundational Christian practice to their daily lives. This book seeks to help Christians recover the importance of the Lord's Supper for their daily lives by exploring its 3 purposes: an expression of communion with Jesus Christ, a demonstration of unity with other Christians, and a demarcation between the church and the world. Exploring how God uses similar "covenant signs" throughout the Bible to point to and confirm his promises, this new book in the Short Studies in Biblical Theology series helps readers more fully experience the blessings of the gospel available to them as they partake of the Lord's Supper.