Not only does this probing new biography celebrate the literary career that made Ruskin one of the most influential cultural figures of his day, it also illuminates the darker side of an emotionally unstable man whose obsessive desires thwarted his marriage to Effie Gray and later -- after the death of Rose La Touche, the young girl he consumingly loved -- drove him to extended bouts with madness. No passion, though, could dim the blazing creative energy of the intelligence that reimagined England's social destiny, as this estimable, crisply detailed volume sho