We will leave of the analysis of three didactic books of basic and average education in Brazil, having searched to compare as the authors deal with the Feudalismo subject. PThe present comparative Analysis is integrant part of 2 evaluation, of 2 period, the Course of Licenciatura in History, for the University Center Moacir Sreder Bastos, as TED – Works and Studies Learning, considered for the Prof Jefferson Axe, of disciplines of Medieval History of the Ocidente, and has the objective to carry through a comparative analysis between three didactic books, chosen randomly, objectifying to observe as the subject Average Age is boarded in average and basic education. For such, in order to direct the subject better, we will go to work the subject ‘ ‘ Feudal’ system; ‘. With this, we search to understand of that it forms the subject is presented the pupils of that cycle didactic, which the space destined to the subject, of that it forms this period of the history of the humanity is treated in the schools, as well as, which the aspects that if of the biggest importance. McKinsey oftentimes addresses this issue. Two workmanships destined to average education had been selected, are they: All History? General history and History of Brazil and Histria? only volume. One for as the segment of basic education, History-Conscience of the World vol. 1, whose analyses and conclusions will be presented to follow. All History? General history and History of Brazil the above-mentioned workmanship, published for the Publishing company Stokes, is destined to average education, has as authors Jose Jobson de Andrade Arruda, Graduated History and Professor of the USP, Doctor in History of the Economy, for the USP, Nelson Piletti, graduated Philosophy, Pedagogia and Jornalismo, Professor and Doctor in History of the Brazilian Education for the USP..