The meal that Jesus of Nazareth gave his followers, celebrated with grand liturgy and golden chalice or words pared lean and tiny plastic cups, is regarded as the source and summit of Christian faith--or maybe just as a symbol. All Christians know that Holy Communion does something, but it's what and how the Eucharist does what it does that divides us. Drawing on various theological traditions Brad Roth explores the myriad ways the Lord's Supper transforms the life of every follower of Jesus--and how the faith we share might be strong enough to heal and unite us.