What is the interesting part of this book is when Burgin asked 'Is there such a thing called the theory of photography?'. Although photography was already born in 1839, it needs more than a hundred years for people to endorse the idea of the 'theory of photography.' He offered the idea 'towards a theory of photography' throughout the introduction. There were several engaging essays such as Photography Practice and Art Theory by Burgin, On the Photographic Meaning by Allan Sekula, and The Currency of Photography by John Tagg. This is signified the moment when a marxism & critical approach being used to broaden the photography discourse.