Shadows of the Empire Sourcebook

The Official Companion to the Novel Shadows of the Empire After his defeat on Cloud City, Luke Skywalker finds himself a pawn in a deadly game between Darth Vader and the mysterious and dangerous leader of the criminal organization Black Sun. Confronted by bounty hunters and his own worst fears, Luke must must [sic] lead a daring rescue mission to Emperor Palpatine's throne world of Coruscant, where he will confront the foes who lurk in the Shadows of the Empire…