Frederick Dretske's views on the nature of seeing, the possibility of knowledge, the nature of content or non-natural meaning, the nature of behavior, and the role of content in teh causal explanation of behavior have been profoundly important. "Dretske and His Critics "contains original discussions of these issues by Joh Heil, Stuart Cohen, David H Sanford, Jaegwon Kim, Fred Adams, Daniel Dennett, Robert Cummins, Terence Horgan and Brian McLaughlin. Each chapter is responded to by Dretske himslef.