Darth Vader's Return

From publisher blurb: Darth Vader has returned to Coruscant after the destruction of the first Death Star. There, he discovers his next mission. In the days before Grand Moff Tarkin's death, Tarkin recorded a top secret holotape... complete with information that would enable the Empire to dominate hyperspace. Your mission: to retrieve the missing holotape and bring glory to the Emperor. Good luck.