In the seventh century the great T'ang nation was obliged to reconquer the southernmost portion of what had been considered Chinese territory for many centuries, a region today corresponding roughly with northern Vietnam and the Chinese provinces of Guangxi and Guangdong. The Vermilion Bird attempts to recover the actual character of the monsoon realms of T'ang-a scattering of palisaded garrisons, isolated monasteries, and commercial towns, all surrounded...