Timothy Zahn spoke today at NYCC and announced the news near the end of the panel.
Thrawn is back. And he's bringing Vader with him. Coming summer 2018. #Thrawn2 #BlackandBlue pic.twitter.com/hIw1dgRnyb
— Star Wars Books (@DelReyStarWars) October 6, 2017
Grand Admiral Thrawn will return... next summer in a sequel novel by Timothy Zahn featuring a very special guest*. #NYCC
— Star Wars (@starwars) October 6, 2017
*Darth Vader pic.twitter.com/GglZb5zM7f
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