One of the leading figures in the ongoing Crop Circle controversy reports on the history of the circles, their nature and symbolism, and the issue of human-made hoaxes. He then presents a lucid and persuasive argument for the transhuman origin of Crop Circles, exploring their possible production by acoustical, electromagnetic, light, and other means. Finally he discusses the symbolic themes of each year's Crop Circle season and suggests a reason for their growing complexity. In stock.