Which text feature could the author add to "Georgia O'Keeffe: Modernist Pioneer" to help readers better understand and visualize O'Keeffe's work?

An image of one of O'Keeffe's flower paintings would let readers see the colors, shapes, and details of her work directly. A chart about prices or materials gives information, but does not help readers visualize what a painting looks like as well as an example image does.

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