Children of the Jedi (Star Wars)

In Children of the Jedi,  Barbara Hambly introduces a new character: Callista, a  brave Jedi warrior of long ago who gave her life  to foil one of the Empire's darkest plans, a plot  to destroy a stronghold that was sanctuary for the  wives and children of the Jedi knights. Suddenly,  the dreadnought is rearming itself, intent on  destruction. Only Luke Skywalker can feel its evil  presence as well as the mysterious influence of  that powerful woman who should have died decades ago.