Mysterious Crop Circles
Author(s): National Geographic Staff; Rob Waring
Several strange signs called 'crop circles' have been discovered in the fields of southern England. These mysterious circles are puzzling to everyone, even scientists. There are several theories about who--or what--made them. Could it be humans who did it? Or could it be something else...
Product Information
General Fields
- :
- : Cengage Learning
- : National Geographic Learning
- : 0.054
- : December 2008
- : .2 Centimeters X 15 Centimeters X 21.1 Centimeters
- : books
Special Fields
- : National Geographic Staff; Rob Waring
- : Paperback
- : 24