City of echoes

"There is no war outside of these walls. This is what the citizens of Ba Sing Se are told to believe, but Jin knows better. As a refugee whose parents were killed by the Fire Nation, she is haunted by her past. Now, she does her best to keep her head down in the Lower Ring, caring for her ailing grandfather and balancing school with survival. Her one bright spot is her best friend Susu, whose family treats Jin like one of their own, and whose bak...