Apuleius's comic masterpiece, originally composed in the second century A.D., traces the hilarious misadventures of a young man a tad too curious about magic for his own good. Hoping to change himself into an owl, he turns himself into a donkey instead, and in this guise is sold, stolen, or otherwise shunted from one master to the next. Along the way, he sees the underbelly of the sprawling Roman Empire, with its saints and villains, its venal...