Author Shery Knowlton discusses her latest novel, Dead on the Delta, which is the fifth book in her Alexa Williams suspense series. Dead on the Delta follows Alexa Williams to Africa for an adventurous ride filled with wild animals, amazing locales, pressing environmental issues and, of course, murder. In this book, as with all of her stories, Sherry uses her fiction to address a number of social issues, and she pairs her storylines with actual historical mysteries or events ripped from news headlines.