Vivian Maier has been recognized as one of the world's greatest photographers, but who was this enigmatic and unconventional nurse?

Since her death in 2009, Vivian Maier has been recognized as one of the world's greatest photographers. But who was this enigmatic and unconventional nurse? The authors explore Maier's life with humility and sensitivity, discovering a woman for whom there were no taboos, and who never ceased to observe the world around her with a uniquely personal gaze.