There are 4 books in the Shadow World: The Vampire Debt series.
The Shadow World: The Vampire Debt series does not have a new book coming out soon. The latest book, The Vampire Oath (Book 4), was published in March 2021.
The first book in the Shadow World: The Vampire Debt series, The Vampire Debt, was published in May 2020.
The Shadow World: The Vampire Debt series primarily falls into the General Fiction genre.