What year was the trilogy, also known as the Heir to the Empire, from the Star Wars expanded universe written?
Thrawn trilogy: The Thrawn" trilogy, also known as the Heir to the Empire" trilogy, is a series of best-selling science fiction novels written by Timothy Zahn. Thrawn trilogy:  They are set in the "Star Wars" expanded universe approximately five years after the events depicted in the 1983 "Star Wars" film "Return of the Jedi".
i don't know