I Have Been Trying To Understand The Moral Aspect Of Human Nature For Several Decades. Several Years Ago, After Publishing The Origins Of Morality, An Editor From Oxford Press Suggested That I Write Up The Theory And Research I Reviewed In This Academic Book In A Manner That Would Be Accessible To People With Relatively Little Background Knowledge In The Area. A Few Years Later, I Launched This Project, Which Ended Up In This Book. In It, I Trace The Grown Of My Understanding Of Morality-- Provided By Publisher.