I've read it, and I agree, it can be successful, very successful. But like any medicine, there are contra-indications so I just like to make people aware of these so they can strive for balance rather than just relying on this one thing. The author herself says that you shouldn't be doing coffee enemas if you're not actually cleansing your system with huge amounts of juice, for instance. Most of the people I know doing coffee enemas don't even have a juicer.