“Cloisonné”, the theme of Book Four in the Masterworks Images In Glass series, is a departure from the earlier formats. Rather than focusing on the design and fabrication of the individual pieces, this is a showcase of the body of Marion’s jewelry work: pins, pendants, and necklaces. We see the range and depth of color that can be realized in the transparent and translucent warmth of cloisonné enamel on precious metal surfaces.