Conceived originally as a serious presentation of thedevelopment of philosophy for Catholic seminary students, FrederickCopleston's nine-volume A History Of Philosophy has journeyed farbeyond the modest purpose of its author to universal acclaim as thebest history of philosophy in English.

Jean-Paul Sartre, the seminal smarty-pants of mid-century thinking, launched the existentialist fleet with the publication of Being and Nothingness in 1943. Though the book is thick, dense, and unfriendly to careless readers, it is indispensable to those interested in the philosophy of consciousness and free will. Some of his arguments are fallacious, others are unclear, but for the most part Sartre's thoughts penetrate deeply into fundamental philosophical territory. Basing his conception of self-consciousness loosely on Heidegger's "being," Sartre proceeds to sharply delineate between conscious actions ("for themselves") and unconscious ("in themselves"). It is a conscious choice, he claims, to live one's life "authentically" and in a unified fashion, or not--this is the fundamental freedom of our lives. Drawing on history and his own rich imagination for examples, Sartre offers compelling supplements to his more formal arguments. The waiter who detaches himself from his job-role sticks in the reader'