The junior novelization of Star Wars: Shadows of the Empire was written by Christopher Golden and published by Bantam Doubleday Dell in October 1996. It is based on the story and novel of the same name by Steve Perry. The target audience of the junior novelization is kids 8-12.
Back cover summary
A Disturbance in the Force...
His name is Xizor. He's the evil underlord of a criminal organization called Black Sun, and he's out to destroy Darth Vader. The target of the two battling supervillains is Luke Skywalker. Vader wants Luke captured alive so that he can turn him to the dark side. But Xizor is already plotting Luke's death.
Now Luke's life, and his mission to rescue Han Solo, are in jeopardy. He and his friends must run for their lives from the galaxy's darkest forces.