In the year A.D. 8, Emperor Augustus sentenced the elegant, brilliant, and sophisticated Roman poet Ovid to exile--permanently, as it turned out--at Tomis, modern Constantza, on the Romanian coast of the Black Sea. The real reason for the emperor's action has never come to light, and all of Ovid's subsequent efforts to secure either a reprieve or, at the very least, a transfer to a less dangerous place of exile failed. Two millennia later, the agonized, witty, vivid, nostalgic, and often slyly malicious poems he wrote at Tomis remain as fresh as the day they were written, a testament for...