PORTADA-LIBRO-GC-ALFONSO-XIII Sizes: 150 × 150 / 189 × 300 / 768 × 1.221 / 644 × 1.024 / 967 × 1.536 / 1.289 × 2.048 / 250 × 250 / 600 × 400 / 300 × 200 / 400 × 200 / 130 × 90 / 315 × 500 / 272 × 182 / 1.611 × 2.560