You see them at airports and shopping centers. They knock on your doors or enter your house via radio. They are called "Moonies, Mormons, Scientists, "and "Mediators. "

Who are these people who claim to be people of God? Exactly what do they believe? How can you tell if they are members of cults?

And what about the New Age? Although it is not a cult, why do so many thousands of people cling to a movement with no organization, no founder, no absolutes, no statement of beliefs, no good or evil, no God, and no "reality"? Where did the New Age originate?

Irvine Robertson has done...