I just this week finished Dr. Smethurst's book. It was good stuff, but it does focus more on a black hole's interactions with its surrounding galaxy -- presumab

I just this week finished Dr. Smethurst's book. It was good stuff, but it does focus more on a black hole's interactions with its surrounding galaxy -- presumably because that's her specialization -- rather than things like firewalls and "is there a singularity." Would recommend.