The madstone a novel

"Texas hill country, 1868. As nineteen-year-old Benjamin Shreve tends to business in his workshop, he witnesses a stagecoach strand a passenger. When the man, a treasure hunter, persuades Benjamin to help track down the vanished coach and a mysterious fortune left aboard, Benjamin is drawn into a drama whose scope he could never have imagined, for they discover on reaching the coach that its passengers include Nell, a pregnant young woman, and he...