BattleTech Legends: The Price of Glory (The Gray Death Legion Trilogy, Book Three) - BattleTech Legends, #3

NOWHERE TO RUN.. The Gray Death Legion is in the employ of the Free Worlds League, and has even been given a landhold on the planet Helm. But dark forces conspire against them, and the Legion soon finds themselves declared renegade war criminals, fair game for anyone to attack. Now they are on the run on their home planet, trying desperately to reach safety before the might of House Marik falls upon them.
They are about to discover the true motives of those who engineered their downfall. And what they discover will change the Inner Sphere forever...