In 1837, Samuel Gridley Howe set about rescuing Laura Bridgman, a deaf-blind seven-year-old, from the "darkness and silence of the tomb." Bridgman learned to finger-spell, to read raised letters, to write legibly and even eloquently, and became a living exhibit for contemporary theological and psychological debates, with influential writers and reformers -- Carlyle, Dickens, and Hawthorne among them -- visiting or writing about her. But by her death...