Abhidharmakosabhasyam of Vasubandhu

This is the most important compendium of Indian Buddhist philosophy and psychology. The four volume masterwork begins with a history of Abhidharma literature and covers a vast array of subjects from a Buddhist viewpoint. Some of these subjects are Buddhist cosmology and the process of rebirth, karma and the Buddhist ethical theory, mental defilements, causes of suffering and the path to enlightenment, the supernatural powers of a Buddha, a taxonomy of meditative states and a refutation of the existence of soul.

This is volume 4 of 4.