If you liked "Getting To Yes" you might also enjoy "Never Split the Difference: Negotiating As If Your Life Depended On It" https://www.amazon.com/gp/product/00

If you liked "Getting To Yes" you might also enjoy "Never Split the Difference: Negotiating As If Your Life Depended On It" https://www.amazon.com/gp/product/0062407805/ https://www.amazon.com/gp/product/0062407805/ that has a somehow different perspective on negotiation