The new work of the famous Australian writer Dando-Collins, the author of many books on the history of Antiquity, is dedicated to the imperial legions of Rome. The author collected and systematized information about all the legions of Rome since the creation of each of them, traced their combat path, noting successes and defeats in battles. Dando-Collins studied in detail the conditions for the selection and methods of military training of legionnaires, described their weapons, equipment, military distinctions and awards, the wage system, the peculiarities of discipline and punishment. After analyzing the structure of the legions, strategy and tactics of warfare, the author paid special attention to the battles and conquests of the Roman Empire, and also presented portraits of great emperors and commanders. The book, a unique and complete guide to the history of the Roman legions, includes more than 150 maps, photographs, diagrams and battle plans.