The book offers a clear and thorough account of the work and thought of this key thinker, providing an outline of his central ideas and the ways in which they have influenced the history of western philosophy. Thematically structured, the book considers all Aristotle's key works and is geared towards the specific requirements of students who need to reach a sound understanding of his theories and ideas. The book serves as an ideal companion to study of this most influential and challenging of thinkers.