With an emphasis on bibliographic references, the authors used to develop a historiographical culture on the issue, offering readers to know the big names and the essential structures. On a clear expression and a very accessible style, the main debate is highlighted, explained, commented, criticized without taking position. The layout helps make the entire usable form of fact sheets that identify all the implications of the program. Maybe could you blame sometimes stressed accent for the eastern provinces, particularly on the issue of objections of Roman power; It will be recalled that with the last question of Roman History proposed to aggregate, it is easy to complete this western examples manual. And if we can regret the lack of details sometimes we can only congratulate the authors for known, synthetically, to account for the complex of a vast period; students should be not to rely on the manual exclusively, but to exploit it as essential working basis for a first approach, to be completed by the courts and other readings.