Bob Duggan reviews Joachim Poeschke’s Italian Mosaics: 300-1300. Duggan writes that Poeschke's book "demonstrates the seemingly eternal life of these pre-Renaissance mosaics, which contain some of the earliest images of Christian art. In this first published survey of the subject, Poeschke analyzes how religion and politics teamed up to produce these glories of artistry in words while allowing stunning photographs of the mosaics to speak for themselves."