The Thrawn trilogy, also known as the Heir to the Empire trilogy, is a series of best-selling novels written by Timothy Zahn. The novels are set in the Expanded Universe of the Star Wars galaxy approximately five years after the events depicted in the film Star Wars Episode VI: Return of the Jedi.
The series introduced many notable characters, such as Mara Jade, Talon Karrde, and Grand Admiral Thrawn, one of the more notable Expanded Universe villains.
It was followed by the The Hand of Thrawn two-book series (1997 and 1998), also authored by Zhan.
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