Gandharan art is usually regarded as a single phenomenon - a unified regional artistic tradition or `school'. Indeed it has distinctive visual characteristics, materials, and functions, and is characterized by its extensive borrowings from the Graeco-Roman world. Yet this tradition is also highly varied. Even the superficial homogeneity of Gandharan sculpture, which constitutes the bulk of documented artistic material from this region in the early centuries AD, belies a considerable range of styles, technical approaches, iconographic choices, and levels of artistic skill. The geographical...