There are 4 books in the Steampunk Proper Romance series.
The Steampunk Proper Romance series does not have a new book coming out soon. The latest book, Brass Carriages and Glass Hearts (Book 4), was published in October 2020.
The first book in the Steampunk Proper Romance series, Beauty and the Clockwork Beast, was published in August 2016.
The Steampunk Proper Romance series primarily falls into the Historical Romance genre.