Sobibor - Tapa blanda

Sixteen-year-old Ema has a poor relationship with her parents.  The only person she trusts is her grandmother.  When she dies, Ema discovers a diary that relates the life of a soldier assigned to Sobibor, an extermination camp in Poland.  As she reads, Ema learns that her grandmother was involved with the author of the diary, and uncovers a terrible secret that her family has kept silent for decades.