The release date for Timothy Zahn’s Thrawn: Ascendancy Book 1: Chaos Rising has shifted back half a year from May to October and Star Wars Books explain the situation.
“A [book] may retreat. [It] does not flee.”
Hi friends. We have a #ThrawnAscendancy update. Check out the full details and a preview of something special. #Thrawn #MakeitBlue pic.twitter.com/BdLAUzwEmM
— Star Wars Books (@DelReyStarWars) January 30, 2020

