pected authorities on Orthodoxy, introduces us to twenty key thinkers from the last two centuries. He begins with the Philokalia, the influential Orthodox collection published in 1782 which marked so many subsequent writers. The colorful characters, poets and thinkers who populate this book range from Romania, Serbia, Greece, England, France and also include exiles from Communist Russia. Louth offers historical and biographical sketches that help us understand the thought and impact of these men and women. Only some of them belong to the ranks of professional theologians. Many were neither priests nor bishops, but influential laymen. The book concludes with an illuminating chapter on Metropolitan Kallistos and the theological vision of the Philokalia.