Book excerpt: This seminal text for photography students identifies key debates in photographic theory, stimulates discussion and evaluation of the critical use of photographic images and ways of seeing. This new edition retains the thematic structure and text features of its predecessors but also expands coverage on photojournalism, digital imaging techniques, race and colonialism. The content is updated with additional international and contemporary examples and images throughout and the inclusion of colour photos. Features of this new edition include: *Key concepts and short biographies of major thinkers *Updated international and contemporary case studies and examples *A full glossary of terms, a comprehensive bibliography *Resource information, including guides to public archives and useful websites