Author Ann Marks unravels the mysteries surrounding the life of Vivian Maier, the nanny who lived secretly as a world-class photographer. Revelations include a traumatic New York childhood with a family at such odds, its ten members were buried in nine different cemeteries. An emotionally damaged Maier overcame early constraints through fortitude, intellect, and immense creative resources, to live an independent, fulfilling life on her own terms...