With declining sales and lagging revenues, 2017 wasn't a great year when it came to the business of literary fiction. So what does 2018 hold for the book industry? Can a series of highly anticipated releases, sequels and potential bestsellers change the gloomy atmosphere hanging over the book world? It might be a little early in the year to make that prediction. But, here is a list of five exciting new releases that we think are up to the challenge.