Across the world students and young people are discovering anew the sound spiritual wisdom that is to be found in the practical writings of the seventeenth-century Puritan theologian, John Owen. Among Owen's valuable works is his treatise On the Mortification of Sin, a book that has brought much- needed encouragement to many struggling in the ongoing battle against indwelling sin. This new study guide, based on the Banner's Puritan paperback edition of Owen's work, will be of great assistance to individuals and groups who want to get the most out of their reading of Owen's spiritual classic.