"Barrett first turned his attention to the emperor Gaius Caligula in 1990, with his Caligula: The Corruption of Power. Now, 25 years later, he has produced a thoroughly revised new edition, with the words 'Corruption of Power'emended to 'Abuse of Power.' The change is significant...This is a fine study, well researched and reliable in its conclusions. Summing Up: Highly recommended. " - J. A. S. Evans, emeritus, University of British Columbia, CHOICE Review