Crop Circles

by Kraig Helstrom

"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... This description may be from another edition of this product.

• Format: Library Binding
• Language: English
• ISBN: 053121222X
• ISBN13: 9780531212226
• Release Date: January 2011
• Publisher: Children's Press(CT)
• Length: 24 Pages
• Weight: 0.50 lbs.