The physick book of Deliverance Dane

Harvard graduate student Connie Goodwin, having agreed to handle the sale of her grandmother's abandoned home near Salem, Massachusetts, comes across an ancient key while going through the house which holds a piece of parchment with the name Deliverance Dane written on it, and in her efforts to discover more about the mysterious Deliverance, Connie soon finds herself having visions of the Salem witch trials and wondering about the extent of her family's connection to history.