The Sum of It is Alison Elizabeth Taylors career survey of forty-one41 large combination works and one immersive installation. It fills five rooms, the central exhibition hall, and the entry rotunda of the Addison Gallery of American Art, which features an eponymously titled self-portrait (2017), showing Taylor photographing herself in the mirror above the vanity in a rainbow-tiled bathrooman appropriate metaphor for her organized vision and preference for both slices of her own life and the American mundane vividly rendered.