The hypnotic effects and unexpected meanings of crop circle geometry. Crop circle patterns have fascinated people all over the world for decades. Although the phenomenon is surrounded by many mysteries, the huge, unfamiliar and powerful shapes are most intriguing. These shapes, in fact, can have a hypnotising effect on those who gaze at them. But why? What makes these shapes so compelling? Why do these patterns have such strong effect on people? What are the patterns attempting to communicate? An illustrated, magical journey through the miracles of crop circle geometry.