I really wanted to like the book but the story started off weird. Within chapter 1 there was a young girl name Dita running all over the place. She was out of control, climbing up on a stove and jumping off, knocking over stools and being an unruly young child (I perceived her being around 7-9).
https://www.amazon.com/Librarian-Auschwitz-Antonio-Iturbe-ebook/dp/B06XR8L9XW