Keys to Positive Thinking : 10 Langkah Singkat Menuju Kesehatan, Kesejahteraa…

Published around the world, Napoleon Hill is the motivational author of the popular "Think and Grow Rich". This ten-step program for positive thinking, taken from his published and unpublished writings, includes excerpts by the author in his own voice. The tapes will instill a "can do" attitude in every listener and will, in turn, lead to health, wealth, and success.