Previously published: New York: Simon and Schuster, 1953.

Imaginative cases, or what might be called puzzles and other thought experiments, play a central role in philosophy of mind. The real world also furnishes philosophers with an ample supply of such puzzles.

An Essay on the Foundations of Geometry was first published in 1897 and marks Bertrand Russell's first foray into analytic philosophy, a movement in which Russell is one of the founding members and figurehead. This Routledge Classics edition includes a new Foreword by Michael Potter.

An ideal philosophical companion volume to Russell's own Autobiography, My Philosophical Development is testament to one of the greatest minds of the 20th century. This Routledge Classics edition includes a new Foreword by Nicholas Griffin.

Is it wrong for a man to buy sex from a woman? In this book, Lawford-Smith argues that commercial sex is quintessentially hierarchical sex, and it is wrong both to have and to perpetuate a market in hierarchical sex. Pepper argues that men are permitted to buy sex from those women who freely choose to sell it.

Fromm sees right to the heart of our contradictory needs for community and for freedom like no other writer before or since. In Fear of Freedom, Fromm warns that the price of community is indeed high, and it is the individual who pays.

One of Sartre's most important pieces of writing, Sketch for a Theory of the Emotions not only anticipates but argues many of the ideas to be found in his famous Being and Nothingness.

A letter written by Simone Weil to a French priest in New York, in which she raises fundamental and highly controversial concerns on matters of Catholic faith, dogma and institutions.

This formidable work - also published under the title of Principals of Social Reconstruction - discusses war, pacifism, reason, impulse and personal liberty, and greatly contributed to Russell’s fame as a formidable social critic and anti-war activist.