This is the first of twenty books in this highly regarded series which began in 1977, written by Dame Edith Pargeter using the nom du plume Ellis Peters. Her Cadfael Chronicles are credited with popularizing what would become known in time as the historical mystery genre.
Island Beneath the Sea
Island Beneath the Sea is a powerful story that’s well-paced, with writing that’s lyrical ahd engrossing. This is the first book I’ve read of hers; I am now eagerly anticipating reading her highly acclaimed House of the Spirits!