CONDITION - USED - Pages can include limited notes and highlighting, and the copy can include "From the library of" labels or previous owner inscriptions. Accessories such as CD, codes, toys, may not be included. Put on your detective hat and uncover the facts and myths about crop circles. Topics discussed include early crop circle sightings and the theories behind them, design details, alien creation theories, power of thought theories, relationship to water theories, microwave energy theories, human creation theories, scientific investigations, hoaxers, and crop circles today. Features include a Tools and Clues section that highlights research tools, technology, and investigative methods, a timeline, a glossary, selected bibliography, further readings, places to visit, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.

Crop Circles, Used [Library Binding]