nBest-selling author Rick Riordan presents best-selling YA author Roseanne A. Browns vampire slayer adventure influenced by Ghanaian folklore. nFor most kids, catching fireflies is a fun summer activity. For twelve-year-old Serwa Boateng, its a matter of life and death. Thats because Serwa, a Slayer, and knows that some fireflies are really adze, shapeshifting vampires from the forests of Southeastern Ghana. n nWhen an adze infiltrates her school, its up to her to whip some of her classmates into fighting shape before they all become firefly food. And when she uncovers a secret that upends everything she thought she knew about her family, Serwa will have to decide which side of herself--normal girl or Slayer--is the right one.n