For years, people have told strange stories about crop circles that appear without explanation. Some people say aliens create them. But is there any truth to that belief? Explore this mystery through maps, labeled images, and other infographics along with vibrant text spreads that delve into these strange formations and possible causes. Essential for curious readers, Crop Circles captivates the imagination through carefully leveled text and striking imagery that inspires early readers to think critically about their world. Onpage vocabulary definitions, a table of contents, a glossary with pronunciations, further resources, and an index all enhance comprehension in a nonfiction beginning reader format.