In this vivid account of one of Boston's best-loved paintings, leading American art specialist Erica E. Hirshler illuminates the context of Childe Hassam's 1880s city scene. With its rosy rust tones, intimate familial vignette and quiet expanse of snow-laden park, today "At Dusk (Boston Common at Twilight)" seems to encourage reflection and represent a decidedly old-fashioned city. Yet Hirshler reveals the ways in which the painting visually signaled...