It might be about redemption. The idea of 'playing to the angels' could imply that the characters are trying to make up for past wrongs and are aiming to be worthy in the eyes of some sort of divine or moral standard represented by the angels.
It might be about the struggle between good and evil. Angels are often associated with good, and if they are 'broken', it could imply that the forces of good are in a state of flux. Maybe the novel explores how these broken angels deal with the temptations of evil and try to regain their angelic nature.
It could be about the presence of something good or spiritual, like the 'angels' in the title, in a difficult or cold situation symbolized by 'the snow'. Maybe it's about finding beauty or kindness in a harsh world.
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.
The main theme could be about the fall from grace. It might explore the characters' experiences of losing their innocence or moral standing, much like the concept of angels falling from heaven in religious or mythological stories.
It might be centered around the journey of the characters. The 'band of angels' could be on a quest, either literal or metaphorical. This journey could be about self - discovery, facing challenges, and ultimately growing as individuals. Without reading the novel specifically, it's hard to say for sure, but these are common themes in many novels.
It might be about the concept of angels in a non - traditional sense. Maybe these 'broken angels' are fallen angels or angels who have lost their way. The novel could explore their struggle to regain their angelic status or their relationship with the human world in their broken state.
I'm not sure as I haven't read it. But it might be about spiritual or supernatural experiences related to angels based on the title.
Another possible theme is the exploration of human nature. The 'band of angels' might be used as a metaphor to show the different aspects of human nature, such as kindness, cruelty, selflessness, or selfishness. The characters in the novel may face various challenges that test and reveal their true natures.
The main theme could potentially revolve around the concept of angels as guardians or messengers in the context of the universe. It might show how they interact with the world, humans or other elements in the fictional universe of the novel. Maybe it delves into their origin and purpose in this unique narrative.
I'm not entirely sure as I haven't read the specific 'angels on horseback novel'. But it could potentially be about adventure given the mention of 'horseback', perhaps a journey of self - discovery or a quest of some sort.