dame felicitas' biography of helen waddell was awarded the 1986 james tait black memorial prize. her book, "the nun, the infidel, and the superman", inspired by the life of laurentia mclachlan, was turned into a play by hugh whitemore and later became a film for television starring wendy hiller. she also wrote about other figures in whom she was interested, including hildegard of bingen and the poet coventry patmore. she also edited publications for the stanbrook abbey press. other works include: