In her luminous and engrossing memoir, Natalie B. Hess takes us from a sheltered childhood in a small town in Poland into the horrors of the Holocaust. When her parents are rounded up and perish in the Treblinka concentration camp, a Gentile family temporarily hides six-year-old Natalia. Later, protected by a family friend, she is imprisoned in her city's ghetto, before she is sent to a forced-labor camp, and finally, Ravensbr ck Concentration...