This concise introduction to the concept of ideology provides an overview of the term and considers its impact on literary theory. James M. Decker analyses the history of Western ideology from its pre-Enlightenment roots to its current incarnations, providing readers with both an essential overview of key terms and issues and a thoughtful assessment of some of the important critical thinkers associated with the notion, including Marx, Gramsci and Althusser. Close readings of key texts, ranging from Toni Morrison's "Sula" to William Faulkner's "Barn Burning", demonstrate the impact of ideology on critical practice and literary reputation.