"The Teachings Of Don Juan: A Yaqui Way Of Knowledge" By Carlos Castaneda, Cover illustration by Wilson McLean (published by Penguin Books Ltd 1979, originally published in the USA by The University Of California Press 1968)

British artist Wilson McLean (b.1937) http://www.wilsonmclean.com/bio.html  https://en.wikipedia.org/wiki/Wilson_McLean