According to StarWars.com, and Karen Traviss' blog, there is going to be a novella called A Practical Man -- taking place before "Vector Prime" -- coming in August.
Her blog answers some questions. For instance, it's not a Star Wars Fan Club exclusive, so you don't need to be a member.
The fullwas released yesterday; be careful of the intrusive advertisements if you're not a paid subscriber.
In the final battles against the Yuuzhan Vong, a surprising figure came swooping in to the rescue in the pages of The Unifying Force. Boba Fett and the Mandalorians had thrown their considerable power against the might of the alien invaders...but what had they been up to before that? What paved the way to that eventual decision?
Special thanks to Silent_Shadow900 for contributing to this report.