The book "The Marquis of Pombal. An Overview of His Science, Politics and System of Government; The Free-Thinking Ideas That Controlled Him; The Plans and First Attempts of Democracy" examines the life and work of the prominent Portuguese politician Sebastião José de Carvalho y Melo, known as the Marquis of Pombal. The author of the book - Manuel Emidio Garcia, a famous scientist and historian, examines various aspects of the life and work of this outstanding figure of the 18th century. The book reveals in detail the ideas and concepts that underpinned Pombal's political reforms, his desire to modernize governance and state-building. The author draws attention to the influence of free-thinking ideas on the political decisions of the Marquis de Pombal and his attempts to introduce democratic principles into Portuguese society. "The Marquis de Pombal. An overview of his science, politics and management system" is considered an important work on the history of political thought and activity in Europe of the 18th century.