The Most Good You Can Do: How Effective Altruism Is Changing Ideas About Living Ethically is a 2015 Yale University Press book by moral philosopher and bioethicist Peter Singer describing and arguing for the ideas of effective altruism. As a follow-up to The Life You Can Save, which makes the moral argument for donating money to improve the lives of people in extreme poverty, the new book focuses on the broader question of how to do the most good. Source: Wikipedia (en)