Linda Safran, ed., Heaven on Earth: Art and the Church in Byzantium. Edited versions of papers originally presented at a series of lectures at the Smithsonian Institution, Washington, D.C., Fall 1991. University Park, Pa.: Pennsylvania State University Press, 1998. Pp. viii, 280 plus color plates; many black-and-white figures and maps. $75 (cloth); $27.50 (paper).