In the '90s, I read every book I could on the ongoing conflict.
Unfortunately, we know from the soccer team, their fans, some hardliners, still take pride in their WWII past, have formed Swasticas at matches for the national team. It's really a pretty small country.
What
@dfwgator said, I have read that said quite a few times. I've read up some on Jasenovac, the concentration camp. Our library had even some book from the '60s on the Balkans, maybe it's called "slaughterhouse", talking about post-war reprisals. Well, Tito kept them somewhat in line as a country.