Aristotle's Nicomachean Ethics is a central text in the history of western philosophy. It continues to be at the heart of contemporary moral theory and essential to understanding the development of ethical thought in the West. This volume offers students an accessible guide to Aristotle's ethics. It explains the key elements in Aristotle's terminology and highlights the controversy regarding the interpretations of his writings. The guidebook explores each section of the text, and presents an account of the problems Aristotle was trying to address. It also examines the role that Aristotle's ethics continues to play in contemporary moral philosophy by comparing and contrasting his views with those held in the 21st century.