Georg Henrik von Wright 
Varieties of Goodness [EPUB ebook] 

First published in 1963, Varieties of Goodness presents analysis of the concept of value and its relations with the neighbouring concepts of fact and norm. The author discusses important themes such as instrumental and technical goodness; utilitarian goodness; goodness of faculties; active and passive pleasure; ethical hedonism; ideals of happiness; divisions of the virtues; connection between values and norms; concept of duty; and justice. This is a must read for scholars and researchers of philosophy.