If I have to pick just one, it would be "How to survive without a salary" by Charles Long. In short, it helped me escape the American Rat Race. Most of my life,

If I have to pick just one, it would be "How to survive without a salary" by Charles Long. In short, it helped me escape the American Rat Race. Most of my life, I was middle class, but I side stepped the typical thing of running faster to stay in place. The poverty I have suffered in recent years would have been worse without the mental models it provides me.