Jedi Search: Star Wars Legends (the Jedi Academy): Volume 1 of the Jedi Academy Trilogy

As the war between the Republic and the scattered remnants of the Empire continues, two children--the Jedi twins--will come into their powers in a universe on the brink of vast changes and challenges. In this time of turmoil and discovery, an extraordinary new Star Wars saga begins....
While Luke Skywalker takes the first step toward setting up an academy to train a new order of Jedi Knights, Han Solo and Chewbacca are taken prisoner on the planet Kessel and forced to work in the fathomless depths of a spice mine. But when Hans and Chewie break away, they flee desperately to a secret imperial research laboratory surrounded by a cluster of black holes--and go from one danger to a far greater one....
On Kessel, Luke picks up the trail of his two friends, only to come face to face with a weapon so awesome, it can wipe out an entire solar system. It is a death ship called the Sun Crusher, invented by a reclusive genius and piloted by none other than Han himself...

Kevin Anderson