"The Last Fallen Star" is a middle-grade fantasy novel by Graci Kim. It follows the story of Hannah, a young girl from a family of Korean witches who struggles with her identity and magical abilities. Hannah longs to prove herself and connect with her heritage, but she feels left out because she cannot perform magic like her family. The plot thickens when Hannah discovers a way to perform a powerful spell that could change everything. As she embarks on her journey, she learns about friendship, bravery, and the importance of embracing her true self, ultimately leading to a deeper understanding of her family's legacy.