Nobody is very sure no matter whether Booster is a creation of Zahn or Stackpole, but proof and the authors' longstanding friendship implies that Booster was Stackpole's character borrowed for the brief story. Possibly delivered porn prior to continuity with the overall look of Booster Terrik in his short tale "Mist Encounter", published in the Star Wars Adventure Journal in advance of Booster built his look in Stackpole's X-Wing books.