The good house - Tananarive Due

The home that belonged to Angela Toussaint's late grandmother is so beloved that townspeople in Sacajawea, Washington, call it the Good House. But that all changes one summer when an unexpected tragedy takes place behind its closed doors...and the Toussaint's family history -- and future -- is dramatically transformed.
Angela has not returned to the Good House since her son, Corey, died there two years ago. But now, Angela is finally ready to return to her hometown and go beyond the grave to unearth the truth about Corey's death. Could it be related to a terrifying entity Angela's grandmother battled seven decades ago? And what about the other senseless calamities that Sacajawea has seen in recent years? Has Angela's grandmother, an African American woman reputed to have "powers," put a curse on the entire community?
A thrilling exploration of secrets, lies, and divine inspiration, The Good House will haunt readers long after its chilling conclusion.