Circular Evidence: A Detailed Investigation of the Flattened Swirled Crops Phenomenon
Pat Delgado, Colin Andrews

Something strange is happening in England. For the past 11 summers and possibly much longer, mysterious circles have appeared in the grain fields of Great Britain. Pat Delgado and Colin Andrews, engineers by profession, take the reader on a photographic tour of these remarkable formations. As you visit these sites with the authors you will see why the crop circles cannot be a hoax-and why they are still totally unexplained.

Crop Circles: Exploring the Designs and Mysteries
Werner Anderhub, Hans-Peter Roth

Throughout the world, mysterious patterns have almost magically started appearing in fields--baffling the farmers who own the land and the scientists who examine them. What are these fantastic geometric figures? Who (or what) is creating them? Two journalists specializing in crop circle research provide revealing answers in this bestselling and visually stunning study. A spectacular 30-page pictorial, which presents an eye-catching survey of the contin-uing phenomenon, will fascinate believers and non-believers alike with its surprising beauty, variety, and complexity.

Crop Circles: Signs of Contact
Colin Andrews, Stephen J. Spignesi

Colin Andrews, author of the bestseller Circular Evidence, the first book about the crop circle phenomenon, brings the world up to date with his many years of research. Recognized as the world's foremost authority on crop circles, he takes you on a mysterious and informative ride into the world of the crop circle enigma. Andrews, with Stephen Spignesi, provides an overview of the crop circle mystery and sets the record straight about the nature of crop circles, their origin, their meaning, the places, and people involved with them. Lavishly illustrated, Crop Circles also explores the many theories of crop circle formation, describes Colin's first experience with crop circles, and details the intricacies of his decades studying the wonder of actual crop circle events and theory.

Crop Circles: The Greatest Mystery of Modern Times
Lucy Pringle

In this extraordinary study, Lucy Pringle brings together her stunning aerial photographs with her many years of intensive research investigating a phenomenon which continues to baffle scientists throughout the world.

Deepening Complexity of Crop Circles: Scientific Research and Urban Legends
Eltjo H. Haselhoff

Eltjo Haselhoff has written the first book on crop circles based on scientific evidence. His research, as intoduced in the first chapter, “A Great But Most Tangible Mystery,” addresses some of the most concrete crop-circle phenomena: the dead fly enigma, curious deposits, germination anomalies, and balls of light. Studies with mathematical formulas allow any reader to analyze and verify, or dispute, the author’s findings. Diagrams and color photographs throughout the book guarantee a fascinating journey through the world of crop circles even for those not inclined toward laboratories and numbers.

Secrets in the Fields: The Science and Mysticism of Crop Circles
Freddy Silva

Author Freddy Silva lives in Wessex, the four-county area of southern England that has been host to 90 percent of the world's crop circles. In Secrets in the Fields, he takes us on an exhilarating firsthand field trip into the heart of the mystery. Silva takes us to the scene of the enigma, before, after, and during the appearance of a fresh circle. He introduces us to farmers, researchers, scientists, mystics, hoaxers, and debunkers. Deeply informative and copiously illustrated, this is the most comprehensive look at crop circles to date.

Vital Signs: A Complete Guide to the Crop Circle Mystery and Why It Is Not a Hoax
Andy Thomas, Mike Leigh

Crop circles, those beautiful and complex patterns that are visible from the air in fields around the world, have long fascinated the public, media, and scientific community. Vital Signs is a comprehensive guide for newcomers to these puzzling patterns and an essential history for those who are already intrigued. Illustrated with hundreds of full-color and black-and-white photos, this chronological and photographic history is an accessible discussion of the various crop circle theories, physical and statistical evidence, and the surprising effects these formations have had on observers and researchers.