Joyce Appleby & Elizabeth Covington 
Knowledge and Postmodernism in Historical Perspective [PDF ebook] 

This comprehensive reader chronicles the western engagement with the nature of knowledge during the past four centuries while providing the historical context for the postmodernist thought of Jacques Derrida, Michel Foucault, Richard Rorty and Hayden White, and the challenges their ideas have posed to our conventional ways of thinking, writing and knowing.