When an old archaeologist friend gives Mary a curled scrap of papyrus, Mary is startled to see that it is covered with Greek symbols. The writing may be a letter from an unknown—female—apostle. Soon the old friend has been murdered, the
Holmes' cottage has been ransacked, and Mary is faced with a particularly dangerous and painful investigation.
From the solitude of the English countryside to the dark, teeming streets of London, A Letter of Mary carries the two quick-witted sleuths through a maze of clues and cul-de-sacs. At every turn, the pair realize they are not only solving a murder, but also harboring a relic that could stand Christendom on its ear.
