For those who haven't heard, Karen Traviss' final installment in the Republic Commando series of novels, Imperial Commando 2
has been cancelled.
You can read about it here
Originally Posted by KT
But today I'm reacting, because somebody blurted out something on a forum, and the rumours started. Yes, for once a rumour is actually true; I've withdrawn from the sequel to Imperial Commando 501st, which was going to be my final Star Wars novel. I had issues over contractual matters and working practices that still showed no signs of being resolvable after a couple of years, so I told the publisher that I would not be doing the book.