BattleTech Legends: Patriots and Tyrants - BattleTech Legends, #30

SIBLING RIVALRIES... Bitter conflicts within the Star League threaten to plunge the entire Inner Sphere into chaos, as Victor Steiner-Davion and his sister, Katrina, maneuver their own forces to the brink of civil war. At the same time, their young brother, Arthur, is beginning to gain his own supporters in the Federated Commonwealth-including the powerful Draconis March, who see their own path to power within the younger warrior.
TAKEN TO LETHAL ENDS... And as clouds of insurrection begin to rumble within her own domain, the cunning Katrina devises a ruthless campaign of death that can crush the growing rebellion, rid her of the young upstart Arthur, and strike at the very heart of her hated brother Victor...