Investigating Crop Circles

The earliest known record of crop circles is more than 300 years old. Today, more than 10,000 have been recorded around the world. Learn more in Investigating Crop Circles, a World's Greatest Mysteries book. This series highlights mind-boggling myths, urban legends, conspiracies, and unsolved mysteries that have captivated people for many years. Each title features engaging text, fascinating photographs, infographics, and a timeline to appeal to even the most reluctant readers. World's Greatest Mysteries is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more. Book jacket.