Vamsa is a dynamic genre of Buddhist history filled with otherworldly characters and the exploits of real-life heroes. These narratives collapse the temporal distance between Buddha and the reader, building an emotionally resonant connection with an outsized religious figure and a longed-for past. The fifth-century Pali text Mahavamsa is a particularly effective example, using metaphor and other rhetorical devices to ethically transform readers, to stimulate and then to calm them.

Reading the Mahavamsa advocates a new, literary approach to this text by revealing its...