Question: What American self-help author sold over 100 million copies of his book Think and grow Rich worldwide by 2015 after his death in 1970?
Sentence (from "Think and Grow Rich"): While the book's title and much of the text concerns increased income, the author insists that the philosophy taught in the book can help people succeed in any line of work, to do and be anything they can imagine.
Relevant evidence: No