The Penguin Dictionary of Philosophy

Fade to spine, secondhand wear to cover, including crease across top right cover, light creasing to spine.

With contributions from over a hundred leading philosophers, full cross-references, and unique usage notes, this is an ideal reference for any student or teacher of philosophy, or anyone with a general interest. Special features include:
-- Clear and concise definitions of key concepts, doctrines, and schools of thought in Western philosophy, from 600 B.C. to the present day
-- Numerous entries on major and less well-known philosophers, from Socrates to Thomas Aquinas, from Rousseau to Derrida
-- Philosophical self-portraits by eminent contemporary figures in the field, like Isaiah Berlin, Alasdair MacIntyre, and Peter Singer