- THE CROP CIRCLES OF OHIO 1941-2006 COLLECTED AND ANNOTATED by JEFFREY WILSON, 2006
- Crop Circles: The End of Time ... A New Calendar Will Begin by Steve Canada, 2000-10-15
- The Farmer and the Mathematician:using Geometry Expressions and Google Earth to investigate crop circles by Larry Ottman, 2010-01-01
- Alchemy of Nine Dimensions: Decoding the Vertical Axis, Crop Circles, and the Mayan Calendar by Barbara Hand Clow, Gerry Clow, 2004-09-01
- Crop Circles - The End of Time: The Return to Earth of Allah, Quetzalcoatl, Ra, Vishnu and Yahweh by Steve Canada, 1996-06
- Crop Circles : Quest for Truth
- Crop Circles Revealed: Language of the Light Symbols / SIGNED By Barbara Lamb by Barbara M. Lamb, Judith K.Moore, 2001
- Crop Circle Language: The Crop Circle Mystery Explained--the Pictograms' Symbolic Language Decoded, Translated and Interpreted by Stephen A. Canada, 1991
- Crop Circles and Quantum Physics: Hydrogen Atom Electron States by Steve Canada, 1993-02
- Scientific Evidence for the Crop Circle Phenomenon by Montague Keen, 1992-01
- Crop Circles, Ufos and Music: The Diatonic Scale Discovered in Crop Circles, Ufo Notes Heard, Ancient Ratio Uncovered by Steve Canada, 1994-05
- Crop Circles and Mining: Gold and the Returning Ancient Rulers by Steve Canada, 1993-06
- Crop Circles, Signs Wonders &Mysteries - 2006 publication by Karn Alxandr, 2006
- Crop Circles and Genetics: Reproduction, Bioengineering and Immortality by Steve Canada, 1993-06
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