The books listed here were either referred to specifically in the text, or are the books from which specific references were taken. It is not, of course, a complete bibliography!
Douglas Adams, The Hitchhiker's Guide to the Galaxy, Pan, 1976
Anon., SSOTBME - an essay on magic, its foundations, development and place in modern life, The Mouse That Spins, 1976
Kenneth Batcheldor and Colin Brookes-Smith, Manual of Advanced Psychokinetic Procedures, Society for Psychical Research (London), 1970
W.I.B. Beveridge, The Art of Scientific Investigation, Heinemann, 1957
Edward de Bono, Practical Thinking, Jonathan Cape, 1971
James Burke, The Day the Universe Changed, BBC Publications, 1985
Charles Fort, The Book of the Damned, Abacus, 1973 (original U.S. publication 1919)
Tom Graves, Dowsing: Techniques and Applications, Turnstone, 1976
Tom Graves, Needles of Stone, Turnstone, 1978
Philip Harben, The Grammar of Cookery, Penguin, 1965
Eugen Herrigel, Zen and the Art of Archery, 1953
Thomas Kuhn, The Structure of Scientific Revolutions, University of Chicago, 1970
Lao Tzu, Tao Te Ching, trans. Gia Fu Feng and Jane English, Wildwood, 1976
James Lovelock, Gaia: a new look at life on Earth, Oxford University Press, 1979
John Michell and Bob Rickard, Phenomena, Thames and Hudson, 1977
Robert M. Pirsig, Zen and the Art of Motorcycle Maintenance, Bodley Head, 1979
Idries Shah, The Exploits of the Incomparable Mulla Nasrudin, Jonathan Cape, 1966
M.W. Thring and E.R. Laithwaite, How to Invent, Macmillan, 1977