- Nikola Dupher, Cerchi nel grano, la conoscenza silenziosa. Formato DVD-VHS. Edizioni Natrix, Nexus, x-cosmos.
- Maurizio D'amato (regia), curato da Fabio Borzani, Mario Brevini e Stefano Giacomuzzi, Cerchi nel grano, i disegni del mistero.
Formato DVD. Edizioni Unipress-Cinema & TV-Natrix-Cinehollywood s.r.l., Milano 2002
(REPERIBILE ANCHE COME: "DISCOVERY CHANNEL - IL MISTERO DEI CERCHI NEL GRANO".)
- Forgione, Bertolotti, Dupher, associazione Heraion, Cerchi nel grano - messaggi tra cielo e terra. Formato VHS. Edizioni Hera.
- Giorgio Bongiovanni, PierGiorgio Caria, I cerchi nel grano. documentario tv-VHS, Ediz. Associazione culturale "G. Bruno"-periodico "Non siamo soli"
- Alessandro Luè; Andrea De marinis L'ORO DI DEMETRA-VIAGGIO NELLA TERRA DEI CERCHI NEL GRANO formato DVD
- Stefano Silvestri, Pianeta X, Cerchi di grano. DVD. Editore "Accademia".
- Vari, Il mistero dei cerchi nel grano DVD, Cineholliwood - Digital Adventure (2008)
- Steve Alexander - Karen Douglas - Rob Luckins, Cerchi nel grano. Silent Messages DVD, Edizioni Hera
Anna Maria Bona, Gian Marco Bragadin, Come star bene con i cerchi nel granoDVD, Melchisedek Edizioni 2011
Vari, 2012 d.c. - Profezie Maya e Cerchi nel Grano. Una straordinaria connessione DVD, 2009, Sudio3TV
Vari, Il Mistero dei Cerchi nel Grano. Storia e analisi del fenomeno DVD, 2010, Studio3TV
- Bert Janssen, The Hypnotic Power of Crop Circles. 2004, ISBN 1931882347
- Robin W. Allen e Jim Schnabel, Round in Circles: Poltergeists, Pranksters, and the Secret History of the Cropwatchers, 1994. ISBN 1591021103.
- Dr. Simeon Hein,Opening MindsISBN 0971586306.
- Hellström, En Krönika om Åsbro, 1990 ISBN 91-7194-726-4
- Lucy Pringle,Crop circles, Pitkin 2004, ISBN 1841651389
- Andy Thomas, Fields of mystery. The crop circle phenomenon in Sussex. , 1996, ISBN 1-85770-096-1
- Andy Thomas, Paul Bura, Quest for contact. A true story of crop circles, psychics and UFOs. 1997, ISNB 1-85770-128-3.
- Andy Thomas, Vital signs. A complete guide to the crop circle mistery and why it is not a hoax. Publisher: Frog, Limited, Berkeley, CA, U.S.A. 1998, revised 2002.
- Pat Delgado, Colin Andrews, Circular evidence ; Crop circles. The latest evidence e Crop Circles, Conclusive Evidence. (tradotti in italiano "Lenigma delle tracce circolari - vedi sopra).
- Freddy Silva, Secrets in the fields. The science and mysticism of crop circles. Hampton Road Publishing Company Inc, Vancouver, Canada, 2002.
- Lucy Pringle, Crop circles. The greatest mystery of modern times. Thorsons Publishers, 1999.
- Terry WIlson, The secret history of crop circles. England, 1998.
- Linda Moulton Howe, Mysterious lights and crop circles. , Publisher:Linda Moulton Howe Productions, 2002.
- Michael Glickman, Crop cirles. Publisher: Wooden Books, UK Date Published: 2005.
- Doug Ruby, The gift. The crop circles deciphered. Publisher: Blue Note Books, 1995.
- Judith Moore, Barbara Lamb, Crop circles revealed. Language of the light symbols. Publisher: Light Technology Pub, Flagstaff, Arizona, U.S.A. 2001.
- George Terence Meaden, The circles effect and its mysteries. Publisher: Wiltshire, England : Artetech, 1990.
- George Terence Meaden, Circles from the sky. England, 1991.
- Denny Clarke, Crop Circle Wisdom. Simple teachings grom the circlemakers. Publisher: SpiritPassage, 2001.
- Jenny Randles, Paul Fuller, Crop circles. A mystery solved. Publisher: London : Hale, 1990.
- Simeon Hein, Opening minds. A journey of extraordinary encounters, crop circles, and resonance. Publisher: Mount Baldy Press, Inc. 2002.
- Beth Davis, Ciphers in the corn. The fractal and geometric circles of 1991. Published by Gateway Books in 1992.
- John Michell, Dowsing the crop circles. New insights into the greatest of modern mysteries. Publisher: Gothic Image Publications, Glastonbury, England, 1992.
- Hugh Manistre, Crop circles. A beginner's guide. Published: July 1999, Hodder & Stoughton Educational Division.
- Chris Oxlade, The mystery of crop circles. Can science solve? Publisher: Heinemann/Raintree, 1999.
- Jim Schnabel, Round in circles. Poltergeists, pranksters, and the secret history of cropwatchers. Amherst, NY, U.S.A.: Prometheus Books, Publishers, 1994.
- Robert J. Boerman, Crop circles, Gods and their secrets. History of manking written in the grain. Publisher: Adventures Unlimited Press, 2004.
- Michael Hesemann, The cosmic connection: worldwide crop formations and ET contacts. Gateway Books 1996.
- Andreas Mueller, Kornkreise. Geometrie, phaenomene, forshung. Publisher AT Verlag 2001, Germany.
- Crop Circle Yearbook 2003, A pictorial tour of crop circles and their landscapes, Published by Temporary Temple Press 2003.
- Crop Circle Yearbook 2002, A pictorial tour of crop circles and their landscapes, Published by Temporary Temple Press 2002.
- Steve Alexander & Karen Douglas, CROP CIRCLE YEAR BOOK 2001, A Pictorial Tour of Crop Circles & their Landscapes. Published by Temporary Temple Press 2001.
- Crop Circle Yearbook 2000, A pictorial tour of crop circles and their landscapes, Published by Temporary Temple Press 2000.
- Andy Thomas, SWIRLED HARVEST: Views from the Crop Circle Frontline, England, ISBN 1-85770-272-7
- Colin Andrews & Stephen J. Spignesi, CROP CIRCLES. Signs of Contact. Published by New Page Books 2003.
- Jay Goldner, MESSAGES FROM SPACE. Crop Circles bring the first indisputable extraterrestrial signs from space. Published by Michael Wiese Productions 2002.
- Werner Anderhub & Hans Peter Roth, Exploring the Designs & Mysteries of Crop Circles. Published by Lark Books. A division of Sterling Co., Inc New York.
- Nick Kollerstrom, CROP CIRCLES. THE HIDDEN FORM. Published by Wessex Books, 2002.
- CAROLYN NORTH, CROP CIRCLES. RONIN PUBLISHING, INC.
- Werner Anderhub & Hans Peter Roth, Das Geheimnis de Kornkreise. AT Verlag, German, 2000.
- Alick Bartholomew, Crop Circles Harbingers of World Change. Published by Gateway Books in 1991.
- Busty Taylor, Crop Circles in 1991. Published by Beckhampton Books in 1991.
- Palgrave-Moore, Crop Circle Classification. Published by Elvery Dowers in 1991.
- Andrew Collins, The Circle Makers. Published by ABC Books in 1992.
- M.Keen, Scientific Evidence for the Crop Circle Phenomenon. Published by Elvery Dowers in 1992.
- J.Kronig, Spuren im Korn. Published by Zweitausendeins in 1992.
- Carolyn North, Crop Circles Hoax or Happening?. Published Regent Press, Berkeley, California in 1992.
- Andrew Collins, The Woodham Bee and others (Crop Circle Events in Essex during 1992). Published by ABC Books in 1992.
- Jim Schnabel, Round in Circles. Published by Hamish Hamilton, London in 1993.
- J.Kronig, Und Wieder Kornkreise. Published by Zweitausendeins in 1993.
- John Macnish, Crop circle Apocalypse. Published by CircleVision in 1993.
- Petr Novak, VZKAZY ODNIKUD. Andere Dimensies, voorbij tijd en ruimte Rudi Klijnstra. Publisher: Petiet, Tiel, 1998
- Janet Ossebaart, CROP CIRCLES, the most enchanting ever. Benign Publishers, 2007
- What On Earth? Inside the Crop Circle Mystery, movie by Suzanne Taylor
- CROP CIRCLES, coreography of consciousness, A film by Martin Keitel 2001, Finland's Centre of Circles Information. REVIEW by Melanie Gambrill & Lyn Collin
- CONTACT, documentary by Bert Janssen & Janet Ossebaard, 2001
- Crop Circles - The Research. Videos and images by Bert Janssen, 1999.
- Crop Circles, The Research: UPDATE. Videos and images by Bert Janssen, 2000.
- Crop Circle Connections, Intangible Realms of Reality, by Frank Laumen, 2000.
- Crop Circle Update 1999, by Chris Everard, 1999.
- Messages From Nowhere, by Petre Novak and Alice Brabcova, 1996.
- Kornkreis - Das Phanomen, by Wolfgang Ring, 1999.
- Croppies, by Grant Wakefield, 1998.
- Crop Circles, What On Earth is Going On?, by Bert Janssen, 1996.
- Crop Circle Communiqué II'Revelations', by CircleVision (John Macnish), 1994.
- The Mystery of the Crop Circles, by M. Hesemann and P. Heppa, 1992.
- Cosmic Code or Natural Force?, by VFS, BSC and GWR FM, 1991.
- Crop Circle Communiqué, by CircleVision (John Macnish), 1991.
- Undeniable Evidence, by Colin Andrews, 1991.
- Crop Circles, The Cosmic Connection, by Peterjürgen Heppa, 1996.
- Circular Sussex, by Andy Thomas, 1995.