The Christian doctrine of salvation is essentially about union with Christ. In this volume of the Soteriology and Doxology series (edited by Kyle Strobel and Kent Eilers), Fred Sanders shows how union with Christ gives form to the faith we confess in the creeds, dictates the theological genres of the New Testament itself, and directs us to consider Jesus in every aspect of salvation. The book includes a survey comparing the various ways union has been articulated, a constructive account of union with Christ as trinitarian soteriology, and a meditation on how the life of faith takes its definitive shape from participation in Christ.