Here's the novel description:
Decisions have to be made when the Nyeusi, a previously unknown species begin a campaign to conquer the galaxy. The invaders have the Libra Alliance on the ropes barely holding onto their last stronghold. The commander of the Gray Panthers, Dan Daniels must decide if he’ll commit to going to war to save an old enemy or wait and see if the war comes to him. Can old enemies put aside their hatred and distrust to fight alongside each other? Will the League of Planets and the citizens of Dixie come to the rescue of their enemy, trusting the Gray Panthers judgment? Can Short Blade deliver the primitive warriors from a backwards pre-industrial world in time to make the difference between victory and defeat?