Book excerpt: 'What is Film Theory? is an introduction to the key elements of film theory. So, what is film theory as a subject? Film studies is divided in to key subjects and themes: there's film art which looks at the aesthetics of film; cinema studies which looks at institutions, films themeselves and the industry; film theory which looks at the concepts, philosophies and disciplines which underline film studies. As such, the book will look at subjects including semiotics and strucutalism, psychoanalysis, formalist film theory, cognitive approaches and neoformalism. In the light of the readers' reports it will also address more 'cultural' issues such as queer theory, ethnicity, postcolonialism and world cinema..