This influential work offers a window into the mind of a Stoic philosopher-king as he reflects on the nature of the universe, the meaning of life, and the virtues that lead to a fulfilling existence.

The Enchiridion is a short manual of Stoic ethical advice compiled by Arrian, a 2nd-century disciple of the Greek philosopher Epictetus.

Miyamoto Musashi's Go Rin no Sho or the book of five rings, is considered a classic treatise on military strategy, much like Sun Tzu's The Art of War and Chanakya's Arthashastra.

This extraordinary work is the life story of Milarepa--the important Tibetan religious leader who lived over 800 years ago.

In his first book, The Theory of Moral Sentiments, he investigated the flip side of economic self-interest: the interest of the greater good.

This is an up-to-date edition of the Athenian Constitution which was written in the school of Aristotle in the fourth century B.C., by a scholar who has been engaged with this text throughout his working life.

The Mencius, in which he recounts his dialogues with kings, dukes and military men, as well as other philosophers, is one of the Four Books that make up the essential Confucian corpus.

The Scale of Perfection is the major work of Walter Hilton, one of the best known English mystical writers of the late fourteenth century. The text circulated widely in England before becoming a spiritual classic.