Star Wars novels. Crucible

Han and Leia Solo arrive at arrive at Lando Calrissian's Outer Rim mining operation to help him thwart a hostile takeover but soon the stakes are raised and, to save Han -- and the galaxy -- Luke Skywalker and Leia must brave a gauntlet of treachery, terrorism, and the untold power of an enigmatic artifact capable of bending space, time, and even the Force itself into an apocalyptic nightmare