The Alchemy of Treason — Peter Nealen

Friends. Foes. Where is the Line? Conor and his allies return from the quest for the Sword of Categym to find the Galel kingdom under siege. The forces of the Empire of Ar-Annator gather on the frontier, and the Marines must fight their way through enemy lines to reach friendly territory. To make matters worse, an attempt is made on King Uven's life, grievously wounding him. As traitorous elements among his retainers make a grab for the throne, a deeper, darker, sorcerous plot makes itself felt. The Empire has planned this for a long time. The foul things they're in league with have been planning longer still.Can Recon Marines and their allies adapt quickly enough to head off a coup before darkness envelops Cor Legear?