Recently numerous evangelicals have joined more sacramental, liturgical, and historically conscious churches. But this need not be, asserts Ortlund, who makes a powerful case for the 16th-century Reformation as a genuinely ecumenical renewal movement and demonstrates that Protestantism, despite its faults, follows semper reformanda and is therefore capable of reforming itself according to Scripture as the ultimate authority. 288 pages, softcover. Zondervan.