Gibbon's masterpiece on Rome is a monument of literature and a model of modern historical research. There has never been anything quite like it since its publication between 1776 and 1788. Although some of Gibbon's views are considered controversial today, there is no doubt that his research and patient devotion to scholarship produced one of the most valuable and renowned histories of all time.

Aristotle's Nicomachean Ethics, said to be dedicated to Aristotle's son, Nicomachus, is widely regarded as one of the most important works in the history of Western philosophy. Addressing the question of how men should best live, Aristotle's treatise is not a mere philosophical meditation on the subject, but a practical examination that aims to provide a guide for living out its recommendations.

Aristotle's most complicated and academic work. This is a challenging work for even those who admire his other seven books. Incomparable analysis in language and thought, with a clear, succinct prose touch.

Benedict de Spinoza's Ethics, first published in 1677, constitutes a major systematic critique of the traditional and religious foundations of philosophical thought. In it, Spinoza follows a logical step-by-step format consisting of definitions, axioms, propositions, proofs, and corollaries to create a comprehensive inquiry into the truth about God, nature, and humans' place within the universe. From these broad metaphysical themes, Spinoza derives what he considered to be the highest principles of religion and society and lays out an ethical system in which reason is the supreme value.

Published in 1748, An Enquiry Concerning Human Understanding is Scottish empiricist philosopher David Hume's distillation of his mature philosophy. Addressing themes including the limits of human understanding, the compatibility of free will with determinism, weaknesses in the foundations of religion, and the appeal of skepticism, An Enquiry Concerning Human Understanding is Hume's attempt to revise and clarify the ideas of his earlier A Treatise of Human Nature.

Born out of the political turmoil of the English Civil War, Leviathan stands out as one of the most in influential political and philosophical texts of the 17th century. It argues for the restoration of the monarchy in light of the republic and calls for a commonwealth ruled by an authoritative, autocratic figure with absolute sovereignty. This would put an end to all controversy, war, and fear and establish peace via social contract.

Julius Caesar is one of the most famous figures of the ancient Roman world. A skillful general and leading politician of the late Roman Republic, he secured a 10-year proconsular command in the province of Gaul, during which he accumulated both wealth and power. A core text in the teaching of Latin in schools, The Gallic War gives a unique insight into this remarkable man, as well as military strategy and practice of the day.

In 1831, Alexis de Tocqueville, a young French aristocrat and civil servant, made a nine-month journey through the eastern United States. The result was Democracy in America, a monumental study of the strengths and weaknesses of the nation’s evolving politics. His insightful work has become one of the most influential political texts ever written on America.

世界中で脅かされている「自由」。この貴重な権利を獲得し、繁栄を謳歌した国々が人類史上稀なのはなぜか？　専横国家と無法社会に挟まれた「狭い回廊」に至る道とは？　『国家はなぜ衰退するのか』で注目を浴びた著者らが贈る新たな傑作。

Composed in four parts between 1883 and 1885, Thus Spoke Zarathustra is the most famous and influential work of German philosopher Friedrich Nietzsche. The work is a philosophical novel in which the character of Zarathustra, a religious prophet-like figure, delivers a series of lessons and sermons in a Biblical style that articulate the central ideas of Nietzsche's mature thought.