From McClelland & Stewart:

At the end of the Second World War, a survivor of Auschwitz makes her way home to Hungary. Of all her family, only she and one sister have survived the camps; her young officer husband disappeared into Russia years before. Believing herself a widow, Shoshanna falls under the protection of an older man who, like her, lost everything in the Holocaust. She gives birth to this man's child by the time her beloved soldier returns, and she has to make a choice that will cloud her life — and her daughter's — ever after.

Read more at McClelland.