Andy has written five books exploring aspects of the crop circle enigma: Fields of Mystery: The Crop Circle Phenomenon in Sussex (1996) and Quest For Contact: A True Story of Crop Circles, Psychics and UFOs (1997, with Paul Bura) were his first, followed by his best-known and much-praised book Vital Signs: A Complete Guide to the Crop Circle Mystery and why it is NOT a Hoax (1998, revised 2002), which has been described by many as the definitive guide to the subject.

Most recently Andy has written the revised version of An Introduction to Crop Circles for Wessex Books, and produced Swirled Harvest: Views from the Crop Circle Frontline, a collection of many of his articles from an eleven-year period. This has been published simultaneously with A Oneness of Mind: The Power of Collective Thought and Signs of Our Times, which collects together edited transcripts of Andy’s renowned Glastonbury Symposium presentations. In 2003, Andy founded Vital Signs Publishing to publish his own work, and from 2005 the work of others, beginning with Geoff Stray's book Beyond 2012.

Andy has written articles for many publications, including Nexus Magazine. He is also author of two books about his historical hometown of Lewes in East Sussex (UK), Streets of Fire (1999), and The Lewes Flood (2001).

A prolific lecturer, Andy is famed for his lively and sometimes theatrical presentations on crop circles and other inspirational topics. He has spoken extensively in England, and also in Europe and America. He is one of the organisers and presenters of The Glastonbury Symposium, the world’s longest-running crop circle-related conference, which takes place each summer.

Andy has made numerous radio and TV appearances, including UK television spots on BBC2's Esther, ITV's popular breakfast show GMTV and Channel 4’s Richard and Judy. He has also featured in many overseas programmes from countries as diverse as America, Japan and Germany, and appeared in many crop circle documentary videos, including the US theatrically-released Crop Circles: Quest For Truth.

Also a professional keyboard player, Andy has composed and recorded for various projects in years past, and gigs around south-east England with guitarist Phil Light.

Andy Thomas will be a speaker at the International Scientic and Metaphysical Symposium June 2-3, 2007 in Sydney, Australia.

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