"The Republic" is a philosophical text that explores the concepts of justice, order, and character within the context of a just city-state and a just individual. It presents the idea of a utopian society ruled by philosopher-kings, who are the most wise and just. The dialogue also delves into theories of education, the nature of reality, and the role of the philosopher in society. It is a fundamental work in Western philosophy and political theory.

"Fragments" is a collection of philosophical musings and theories from an ancient Greek philosopher. The book explores a wide array of topics, including the nature of the universe, the human mind, and the relationship between the two. Often cryptic and paradoxical, the author's thoughts challenge traditional perceptions of reality and encourages readers to think deeply about their own existence and understanding of the world.

"The Class Struggle in the Ancient Greek World" is a comprehensive historical analysis that explores the dynamics of class conflict from the earliest times in ancient Greece up to the Roman Empire. The book delves into how social and economic factors shaped class relations and examines the extent to which class struggle influenced political developments and historical outcomes in the ancient world. Through meticulous examination of sources and evidence, the work challenges traditional views of ancient society by highlighting the significance of class divisions and conflicts as central elements in the historical progression of the Greek and Roman periods.

"Moralia" is a collection of essays and dialogues that delve into various ethical, religious, physical, political, and literary topics, reflecting the author's profound interest in the moral issues of his time. The work is not a single coherent piece but rather an eclectic compilation of thoughts and inquiries, ranging from the proper behavior at a banquet to discussions on the nature of virtue and the influence of superstition. Through these texts, the author explores the conduct of daily life and the philosophical underpinnings of human actions, often drawing on historical examples and the wisdom of Greek and Roman thinkers to illustrate his points. The collection serves as a rich source of insight into the intellectual climate of the early Imperial period and the enduring questions of human morality.