This thesis is an examination of the argument and character of Aristotle's Eudemian Ethics. Its goal is to provide a critical analysis that will elucidate the treatise's themes in general and its arguments in particular. The first section is devoted to examining the relationship between happiness and the good life. The second section seeks to make clear the relationship between virtue and justice. The third section attempts to illustrate the nature of intellectual virute. The fourth and final section analyzes the notions of friendship and philosophy.