There are 2 books in the Seth Seppi Mystery series.
The Seth Seppi Mystery series does not have a new book coming out soon. The latest book, The Bad Luck Lighthouse (Book 2), was published in July 2019.
The first book in the Seth Seppi Mystery series, The Last Chance Hotel, was published in May 2019.
The Seth Seppi Mystery series primarily falls into the General Fiction genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.