Inside the Secret World of Casa Susanna

If recent history is anything to go by, American flea markets are the gift that keeps on giving. July saw the release of John Maloof's compelling documentary, Finding Vivian Maier, detailing how the purchase of an old box of negatives at a Chicago flea market in 2007 led to his discovery of "some of the finest street photography of the 20th century". And then there's the unearthing of the Casa Susanna archive, an amazi...