The Glove of Darth Vader

The Glove of Darth Vader (1992) is the first book of the Jedi Prince series by Paul and Hollace Davids.

Plot
Grand Moff Hissa sets up Trioculus as Palpatine's son and, therefore, heir to the Empire. However, Kadann, Supreme Prophet of the Dark Side, foretells the rightful heir will wear the glove of Darth Vader. Despite the efforts of Luke Skywalker and the Rebel Alliance, Trioculus retrieves the glove from Mon Calamari.