目录 4
Unsolved mysteries 未解之谜 4
The circles appear 怪圈初现 8
Did you see that？ 亲眼所见？ 12
Physical evidence 证据 16
Circle formations 怪圈的形成 20
Evidence on the ground 现场证据 24
The theories 众说纷纭 28
The UFO theory 不明飞行物的功劳 32
Earth and sky theories 天地惹的祸 36
Whirlwinds and plasma 旋风与等离子区 40
Famous fakes 造假也疯狂 44
Why fake crop circles？ 原因何在？ 48
In conclusion 难有定论 52