Three great books on Moral Philosophy and Ethics

These three books go brilliantly together. Here is the order I read them in. The images link to Amazon.com kindle editions.

The_Righteous_Mind__Why_Good_People_Are_Divided_by_Politics_and_Religion_-_Kindle_edition_by_Jonathan_Haidt__Politics___Social_Sciences_Kindle_eBooks___Amazon_com_
The Righteous Mind by Jonathan Haidt

Amazon_com__Moral_Tribes__Emotion__Reason__and_the_Gap_Between_Us_and_Them__9781594202605___Joshua_Greene__Books
Moral Tribes by Joshua Greene

The_Quest_for_a_Moral_Compass__A_Global_History_of_Ethics__Kenan_Malik__9781612194035__Amazon_com__Books
The Quest for a Moral Compass by Kenan Malik