William C. Dietz, the science fiction author best known in Star Wars circles for writing the Dark Forces novella trilogy, has died at the age of 80. A memorial published this week states that Dietz passed away on March 15, 2026. For a lot of Star Wars readers, Dietz was not just another tie-in writer. He was the author who helped give Kyle Katarn a life on the page through Dark Forces: Soldier for the Empire, Dark Forces: Rebel Agent, and Dark Forces: Jedi Knight—three books that adapted and expanded the story of one of the most beloved Legends-era characters. Wookieepedia’s record of his Star Wars bibliography lists those three Dark Forces books as his core contributions to the franchise. A Name Star Wars Readers Remember Dietz built a much bigger career beyond Star Wars. His official biography says he published more than sixty novels, with work translated into multiple…