Click on the cover of the DVD of your choice...

65 Days - The Crop Circles of 2003 Steve Alexander, 2004

Contact Bert Janssen, 2001

The Silbury Hole Enigma Bert Janssen, 2001

Crop Circles - The Research Bert Janssen, 2000

Crop Circles - What On Earth Is Going On? Bert Janssen, 1996