The novel centers on the life of Athanasius Pernath, a jeweler and art restorer who lives in the ghetto of Prague. But his story is experienced by an anonymous narrator, who, during a visionary dream, assumes Pernath's identity thirty years before. This dream was perhaps induced because he inadvertently swapped his hat with the real (old) Pernath's. While the novel is generally focused on Pernath'...