Return of the Dark Side - Star Wars: The Last of the Jedi, Book 6

Ferus Olin's allegiance is to the Jedi. But when he's summoned to see the Emperor, the Sith Lord makes him an offer he can't refuse. If he can manage to prevent a planet from lunging into chaos, the Empire will spare ferus's capture friends. And if he doesn't- they'll die. Another heart-stopping Jedi adventure from bestselling author Jude Watson.