"Marxism and the Modern Left: A Return to Politics" is a book that examines the current aspects of Marxist theory in the context of the current political situation. The authors explore the legacy of Karl Marx and his influence on the development of left-wing political thought, revealing the connection between class struggle, capitalism, imperialism and the present. The book gives the reader the opportunity to rethink global problems and ways to solve them, pointing to the prospects for the development of socialist ideas in the XXI century. "Marxism and the Modern Left: Returning to Politics" is an invitation to dialogue about the future of humanity and the possibilities of creating a more just world.