Robin Seager has updated his classic biography of Tiberius, which focuses on the Emperor's complex character as the key to understanding his reign. This is the most readable account available of the life of Tiberius, the second Roman emperor. It argues that Tiberius' character provides the key to understanding his reign. It portrays Tiberius as a man whose virtues and beliefs were corrupted by power. It shows how Tiberius' fears of conspiracy and assassination caused him to lose his grasp of reality. It features a new afterword that discusses important new evidence that has come to light on the reign of Tiberius.