Book excerpt: This volume in the Westminster Handbooks to Christian Theology series provides a compact and lucid treatment of the main elements of the theology of Martin Luther (1483-1546). Janz, a top Luther expert, discusses the theological understandings that made Luther a leading figure in the sixteenth century Protestant Reformation. This splendid guide will serve as a welcome reference for careful and accurate descriptions of the key components of Luther's theology. The Westminster Handbook to Christian Theology series provides a set of resources for the study of historic and contemporary theological movements and Christian theologians. These books are intended to help students and scholars find concise and accurate treatments of important theological terms./p>