The first object created by God, according to early Muslim commentators, was the pen, which he used to chronicle events to come. The word, in its various manifestations, is central to the Islamic faith. Surely a reflection of this centrality, profuse inscriptions mark countless Islamic objects, from the humblest oil lamps and unglazed ceramics to the finest and most expensive rock crystals and jades. The inscriptions serve numerous functions: decorating,...