Circular Evidence: A Detailed Investigation of the Flattened Swirled Crops Phenomenon by Pat Delgado
My rating: 5 of 5 stars
A bench mark work on the phenomenon. Collin Andrews is an expert on crop circles having been there at the early stages of the events in England. Meticulously researched both outdoors and in the lab. The reader is gently carried through the details in a straight forward manner. A must read for the those who wish to study crop circles.