Everything you need to understand or teach Silver in the Bone by Alexandra Bracken.
"Silver in the Bone" is a fairy-tale retelling of Arthur and the world of Avalon. It follows Tamsin and Cabell as they search for their guardian, Nash in the world of Avalon. However, a dark curse has turned the former paradise into a land of death and decay, and, desperate to break her brother’s curse, Tamsin must decide if she will fight for the people left or focus on the family she has remaining. This novel explores themes of hope versus despair, legends, and death.