Onslaught-When alien invaders known as the Yuuzhan Vong strike without warning, Luke must wield all the awesome powers of a Jedi Master to defeat the gravest threat to the New Republic since Emperor Palpatine. Ruin-The alien Yuuzhan Vong has launched a merciless attack on the worlds of the Outer Rim. The Jedi have been rendered helpless and their solidarity has begun to unravel. Now a rouge group of knights has split off to deal with the Yuuzhan Vong on its own. And Luke Skywalker must stop them before they fall to the dark side.