The Ghosts of Glencoe by Mollie Hunter
"You are ordered to fall upon the rebels and put all to the sword... Amidst the thick snows of February, under the shadow of the mountains of Glencoe, the red-coated soldiers came in the dead of night with the sword, musket and bayonet. They had their orders. They were to turn on the homes of the MacDonalds and slaughter every man, woman and child -- leaving only the aged to weep for the dead. Young officer Robert Stewart faces a fearsome choice. Carry out his treacherous orders, or abandon his soldier's ambition in a desperate attempt to save the doomed clansmen ...