Essie Langs second Castle Bookshop mystery is perfect for fans of Lorna Barrett and Vicki Delany. Thousand Islands bookstore owner Shelby Cox sleuths the slaying of a truecrime writer who may have learned too much about a murder case that should have stayed shut. There are a thousand stories in New Yorks scenic Thousand Islands and Bayside Books coowner Shelby Cox stocks them all. But lately the Blye Island booksellers life is more about investigation than inventory. Truecrime writer Savannah