The art of negotiation is an underrated and often under polished life skill; do you interact with other people? Then the knowledge within this book will be helpful to you. While this book primarily focuses on negotiations in monetary situations I have found Chris Voss's techniques to be invaluable and revolutionary regarding other topics as well.
Interested in getting a copy?
I recommend ordering through Bookstore here, as an alternative to Amazon. You can checkout a full list of my favorite literature in my bookstore here.
Bookstore's mission is to support independent bookstores. You can read more about them here -- they're pretty fantastic.