2012 Crop Circles - 11/8, 7 pm: Sedona author, Dr. Chet Snow, will present Crop Circles 2012: Season Review. For three decades, crop circles have appeared mysteriously overnight in more than 36 countries, including England, the USA and Europe. $15 per person. Sedona Public Library, 3250 White Bear Road, West Sedona. 928-204-1962.