Striking, ambiguous images from Johannesburg-based photographer Roger Ballen. Introduction by Robert A Sobieszek Roger Ballen (b.1950) is best known for his award-winning photographs of people on the fringes of South African society as depicted in Outland, also published by Phaidon Shadow Chamber debuts his most recent body of work Ballen's striking, ambiguous and often disturbing images blur the boundaries between documentary photography and other art forms Collaborating with his subjects, Ballen has secured his position as a highly collected artist, creating an extraordinary world that is part dream, part nightmare sakriti opis