The Ongoing Enigma of the Crop Circles: Bibliography

Further recommended readings on the crop circle enigma:

Andrews, Colin & Delgado, Pat; Circular Evidence: A Detailed Investigation of the Flattened Swirled Crops Phenomena; Bloomsbury, London; 1989:

Andrews, Colin & Delgado, Pat; Crop Circles: The Latest Evidence; Bloomsbury, London; 1990:

Collins, Andrew; The New Circlemakers: Insights Into the Crop Circle Mystery; 4^th Dimension Press, Virginia Beach, Virginia; 2009:

Delgado, Pat; Crop Circles: Conclusive Evidence?; Bloomsbury, London; 1992:

Fuller, Paul & Randles, Jenny; Controversy of the Circles: An Investigation of the Crop Circles Mystery; British UFO Research Association, London; June 1989:

Fuller, Paul & Randles, Jenny; Crop Circles: A Mystery Solved; Robert Hale, London; 1990:

Glickman, Michael; Crop Circles: The Bones of God; Frog Books, Berkeley, California; 2009:

Haselhoff, Eltjo H.; The Deepening Complexity of Crop Circles: Scientific Research & Urban Legends; Frog Books, Berkley, California; 2001:

Meaden, George Terence; The Circles Effect and Its Mysteries; Artetech Publishing Company, Bradford-on-Avon, UK; 1989:

Noyes, Ralph (Editor); The Crop Circle Enigma: Grounding the Phenomenon in Science, Culture and Metaphysics; Gateway Books, The Hollies, UK; 1990:

Schnabel, Jim; Round in Circles: Physicists, Poltergeists, Pranksters and the Secret History of the Cropwatchers; Hamish Hamilton, London; 1993:

Silva, Freddy; Secrets in the Fields: The Science and Mysticism of Crop Circles; Hampton Roads, Charlottesville, Virginia; 2002:

Thomas, Andy; Vital Signs: A Complete Guide to the Crop Circle Mystery and Why It Is NOT A Hoax; Frog Books, Berkley, California; 2002:

Further recommended viewing:

Gazecki, William (Director); Crop Circles: Quest for Truth; Eagle Entertainment DVD; 2002: