From what I am seeing on the previews, this has little to do with the original book. That’s too bad, as the book was absolutely great. If they would have just followed that, they would have had a potentially great flick.
There are some written scenes that don't translate to the screen very well. One such is a narration of a young woman who had been a little girl sent to a camp full of starving people, whose parents did...something they didn't talk about. And then she says in a matter-of-fact voice, "By Christmas there was plenty to eat." I had to re-read it to figure out exactly what she meant, and then, brrrrr...