Root magic

Summary: "It's 1963, and things are changing for Jezebel Turner. Her beloved grandmother has just passed away. The local police deputy won't stop harassing her family. With school integration arriving in South Carolina, Jez and her twin brother, Jay, are about to begin the school year with a bunch of new kids. But the biggest change comes when Jez and Jay turn eleven and their uncle, Doc, tells them he's going to train them in rootwork. Jez and Jay have always been fascinated by the African American folk magic that has been the legacy of their family for generations--especially the curious potions and powders Doc and Gran would make for the people on their island. But Jez soon finds out that her family's true power goes far beyond small charms and elixirs... and not a moment too soon"--