Now the sort of ones where Julian McKeith shows you how to inspect your own shit are one thing. But stuff like this are just taking the piss:
http://www.amazon.co.uk/Heal-Yourself-Crystals-Medicine-Emotions/dp/1841812633/ref=sr_1_1?ie=UTF8&s=books&qid=1238281343&sr=1-1
Who actually buys this shit? Surely no-ones that stupid.