In March 1778, Joshua Spooner, a wealthy gentleman farmer in Brookfield, Massachusetts, was beaten to death and his body stuffed down a well. Four people were hanged for the crime: two British soldiers, a young Continental soldier, and Spooner's wife, Bathsheba, who was charged with instigating the murder. She was thirty-two years old and five months pregnant when executed. Newspapers described the case as "the most extraordinary crime ever perpetrated in New England."

Murdered by His Wife provides a vivid reconstruction of this dramatic but little-known episode. Beautiful, intelligent,...