1ErienBooker
Looking for a book title about a wealthy grandmother who moved from the city to a family Island. She has a special relationship with her granddaughter and lives in a tent while she rebuilds the house that burnt down by herself. She makes a workbench out of a tree. She only gets supplies from the mail man in a boat. She discovers a skeleton in the root cellar. She meets a man who is hiding abused people in a cave on the other side of the island to help them start a new life.