BattleTech Legends: Tactics of Duty by William H. Keith, Jr. (A Gray Death Legion Novel)

A GALAXY ERUPTS INTO WAR...

Insurrection sweeps through the fragmenting Federated Commonwealth, pitting Steiner against Davion forces, and civilians against their petty oppressors. On Caledonia, it's no different—except the Gray Death Legion is caught in the middle of it all. 

Alex Carlyle, haunted by the gruesome specter of war, and Davis McCall, a veteran legionnaire and native Caledonian, unexpectedly find themselves key players in a popular revolt against a cruel and despised Davion-backed governor. When the Gray Death Legion is called upon to put down this very rebellion, they all find themselves pawns in a deadly game of manipulation and betrayal. But Grayson Carlyle, founder of the Legion and tactician supreme, is bound by the highest duty—to protect civilization from self-destruction, no matter what the odds or price....

Note: This zip file purchase allows the buyer to download the ebook or Kindle (.mobi) edition of this story.