The "astonishing" (People) and definitive biography that unlocks the "riveting" (Vogue) story of Vivian Maier, the nanny who lived secretly as a world-class photographer, featuring nearly 400 of her images, many never seen before, placed for the first time in the context of her life. Vivian Maier, the photographer nanny whose work was famously discovered in a Chicago storage locker, captured the imagination of the...