What are the most popular self-help, motivational and inspirational books/DVD’s of the last 50 years?

What are the most popular self-help, motivational and inspirational books/DVD’s of the last 50 years?
Ex. Tony Robbins’ “Unlimited Power”, Napolean Hill’s “Think and Grow Rich”, Dr. Maxwell Maltz’s “Psycho Cybernetics”, “The Secret”, etc.

Best answer:

Answer by dave g
“Sly Moves”- Sylvester Stallone

Add your own answer in the comments!
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