The Donut Hole Cozy series does not have a new book coming out soon. The latest book, Cinnamon Sugar Murder (Book 60), was published in September 2017.
The first book in the Donut Hole Cozy series, Strawberry Cream Murder, was published in March 2016.
The Donut Hole Cozy series primarily falls into the Cozy Amateur Sleuth Mystery genre.