There are 2 books in the Sherlock and Nell series.
The Sherlock and Nell series does not have a new book coming out soon. The latest book, Sherlock Holmes, His Wife and the Hunt for Jack the Ripper (Book 2), was published in May 2016.
The first book in the Sherlock and Nell series, Sherlock Holmes' Secret Mistress, was published in December 2015.
The Sherlock and Nell series primarily falls into the General Fiction genre.