It might be about hope. 'Angels' are often associated with positive things like hope. So perhaps the characters in the 'angels flight novel' are on a journey where they are searching for hope in difficult situations. They might face various challenges, and the theme of hope could be what drives them forward throughout the story.
Well, without having read it specifically, it's hard to say exactly. But generally in a graphic novel about the flight of angels, we might expect to see beautiful illustrations of angels with wings soaring through the heavens. There could be a story about an angelic hierarchy, with different types of angels having different roles in this flight. It could also be a story about an angel who has fallen out of grace and is trying to regain its place among the flying angels, with lots of drama and moral lessons along the way.
I'm not sure as I haven't read it, but it could be the angels themselves. There might be a lead angel who is guiding the flight or has a special mission.
It's a story that likely involves the character Harry Bosch and some mystery or events related to 'Angels Flight'. But without reading it specifically, it's hard to say more.
Harry Bosch is the central character in this novel. He's the detective who's likely to be at the heart of the action related to 'Angels Flight'. There may also be supporting characters such as his partner, if he has one in this story. And then there could be the suspects, witnesses, and victims associated with whatever mystery surrounds 'Angels Flight'. For example, there might be a local business owner who has some information about what happened at 'Angels Flight', or a victim's family member who becomes involved in the investigation.
I haven't read 'angels flight novel' myself, but you might find great reviews on Amazon. People who bought the book often leave reviews there, talking about what they liked or didn't like about it, whether it was the story's pacing, the development of the story's world, or the relationships between the characters.