thumb|Publisher's jacket blurb for the first United Kingdom edition
The Perennial Philosophy is a 1945 comparative study of mysticism by the British writer and novelist Aldous Huxley. Its title derives from the theological tradition of perennial philosophy.
Context
The Perennial Philosophy was published in 1945 immediately after the Second World War by Harper & Brothers in the United States (1946 by Chatto & Windus in the United Kingdom). The jacket text of the British first edition explains: