There are 6 books in the Xena, Warrior Princess series.
The Xena, Warrior Princess series does not have a new book coming out soon. The latest book, The Thief of Hermes (Book 3), was published in March 1997.
The first book in the Xena, Warrior Princess series, Go Quest, Young Man, was published in August 1999.
The Xena, Warrior Princess series primarily falls into the Fantasy genre.