How many books are in the Undercovers series?

There are 4 books in the Undercovers series.

When will the next book in the Undercovers series be released?

The Undercovers series does not have a new book coming out soon. The latest book, Lady of the Night (Book 4), was published in January 2004.

The first book in the Undercovers series, Guilty Pleasures, was published in January 2008.