Over the last several years we have been encountering some rather unreliable narrators in novels. "The Girl on the Train" by Paula Hawkins featured the most notable one so far. Fiona Barton gave us another one in "The Widow." And now Camilla Way is tantalizing readers with dueling unreliable narrators in her tense psychological thriller "Watching Edie." Edie is one of those two narrators. She is describing her experiences in the present day. Her chapters alternate with those being told from the