The strangest secret
Earl Nightingalewas the host of his own daily commentary radio program on WGN in Chicago. After retiring from radio at the age of thirty-five, he bought his own insurance company. The  recording of an inspirational speech, originally produced for his sales force, later became the industry-launching phenomenon,The Strangest Secret. With Lloyd Conant, Earl began an electronic publishing company that eventually dominated the self-improvement field.--This text refers to theAudio CDedition.