Marco and the Devil's Bargain

At the end of the 18th Century, during the decline of the Spanish Empire in the New World, Marco and his wife Paloma fight the scourge of smallpox by bravely venturing onto the Staked Plains, stronghold of the Comanche. As part of a devil's bargain, they must put themselves at the mercy of these dangerous enemies and try to inoculate them. Book 2 of the Spanish Brand Series.