Published on the occasion of Edward Burtynsky's largest and most comprehensive exhibition to date, at the Saatchi Gallery, London, Extraction / Abstraction looks deeply at the key subjects and signature images spanning his 45-year career. Alongside Burtynsky's compelling photographs, the book includes texts by celebrated art historian Simon Schama, who examines Burtynsky's work in light of the question "Can art help save the world?", and by curator Marc Mayer, former director of the National Gallery of Can