Leaves of Fire (עלים מן האש) by Simcha Guterman is not all doom and gloom. The author has a healthy sense of humor, which I would assume is good to have
The brothers were moved between several work camps, including Auschwitz managing to survive due to their ability to fix watches and a good amount of chutzpah
The book describes the long relationship between Polish & US intelligence agencies. Poland has been trying to come out from under the heavy hand of the Russians