The following are extracts from Mr Crouch's introduction in the book, edited to fit this advertisement: 'The power of mind is electrical by nature and can be scientifically measured with instruments. I Call it "Mentation". 'I have encountered those who could make flowers bloom in less than five minutes. 'I have seen people crippled made whole by Mentation. 'I have met and talked with men and women who could cause the phone to ring and what is perhaps more wonderful, I have seen these people command that a certain person (who was named by me) call happen through Mentation. 'This power is avaiable to all. It is the Secret of a Lifetime.