Lydia Marshall Younger daughter of Tibby and Titus: a harpist. Also known as: Lyddie Books Lydia Marshall appears in: Rescue Operations Clorinda Cathcart's Circle Volume 16: Changes of Life Revenants Clorinda Cathcart's Circle Volume 14: Shadows from the Past Unhistoric Acts Clorinda Cathcart's Circle Volume 15: An Imperfect Social State