- Vital Signs: A Complete Guide to the Crop Circle Mystery and Why It is Not a Hoax by Andy Thomas, 2002-12-16
- Crop Circle Cards, The Living Oracle by Cariel Quinly, 1998-01-01
- Crop Circles: An Art of our Time by Mary Carroll Nelson, 2007-07-16
- Crop Circles, Gods and Their Secrets: History of Mankind, Written in the Grain by Robert J. Boerman, 2004-04
- The Hypnotic Power of Crop Circles by Bert Janssen, 2004-10
- Opening Minds: A Journey of Extraordinary Encounters, Crop Circles, and Resonance by Simeon Hein, 2002-08-01
- Mysterious Lights and Crop Circles by Linda Moulton Howe, 2002-09
- Crop Circles: The Greatest Mystery of Modern Times by Lucy Pringle, 2005-12
- The Gods' Machines: From Stonehenge to Crop Circles by Chok Bong Wun, 2008-05-27
- Crop Circles by Lucy Pringle , 2004-04-30
- The Mystery of Crop Circles (Can Science Solve?) by Chris Oxlade, 2005-09-15
- Crop Circles: Unlocked by Jonathan Sherwood, 2005-04-20
- The Gift : the Crop Circles Deciphered by Doug Ruby, 1996-01
- Crop Circles: Conclusive Evidence? by Pat Delgado, 1992-12
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