A New York Times Bestselling Author -- An elderly brother and sister open fire on the plaza below their apartment, punishing the people of Vig ta for their sins. News cameras film Inspector Montalbano ? gun in hand ? scaling the building to capture the unlikely snipers. The inspector is hailed as a hero, but soon begins to receive cryptic messages in verse from someone challenging him to go on a ?treasure hunt." Intrigued, he accepts ? until the messages take a dangerous turn.