Crop Circles by Kraig Helstrom
	List Price:   $21.95 Unit Price:   $17.56 You Save:   $4.39 (20%) ISBN-10:   1600145833 ISBN-13:   9781600145834 Publisher:   Bellwether Media; Torque Books Series:   The Unexplained Category:   Beginning Readers, Science Books Pub. Date:   January 2011 Pages:   24 Format:   Library Binding Ages:   7 to 12 Grades:   3 to 7
Description/Notes
The first shapes found in crop fields were circles. Since then, people have discovered more complex designs. Where do these designs come from? Are they messages from alien visitors, or are they nothing more than pranks created by humans? This title will explore the history of crop circles and look into whether or not some could be of alien origin.