John Ruskin's study of Venice becomes a sweeping meditation on how architecture reveals the moral life of a civilization. He contrasts the sculptural richness of medieval streets with the plainness of modern thoroughfares, then traces Renaissance architecture through three phases—early, central, and grotesque—arguing that its first corruptions grew as much from weakened Gothic habits as from classical influence. From there, he examines decadence in ornament, defining true corruption not as mere abundance but as luxurious excess, and elevating temperance as the principle that gives color, curvature, and decoration their force. Ruskin reads Venetian Gothic as a visible record of decline, where crockets, finials, tracery, and later monuments move from disciplined beauty toward morbid excitement, culminating in the Porta della Carta. Yet he also admires the brilliance of fifteenth-century masters such as Michael Angelo, Raphael, Leonardo, Verrocchio, and Ghiberti, warning that their genius was wrongly imposed as a standard for ordinary craftsmen. The book closes with a luminous defense of close observation in art, especially in Byzantine mosaic, where olive trees and floral forms are simplified yet rendered with remarkable structural truth, proving that decoration and faithful seeing can coexist. This edition has been fully restored with modern typesetting, custom cover design.