A first-person narrator is usually a character in the very story he is telling. For that reason, he can only tell the audience the things he knows, which can be limited or erroneous, or his assumptions, which can be quite biased. ... They lack impartiality since the story being told is influenced by their feelings
I think its because that preast guy dies.
The Diary of Anne Frank. This book goes over the life of a young Jewish girl forced to live in a neighbors attic during WWII in Nazi Germany.
The other books are all unrelated to WWII.