He turned it in. And waited.

"Your argument," she said, "is that memory is layered. That the past is not erased but bleeds through the present. That the Avenida de Mayo is both a parade ground for generals and a stage for democracy. You did not illustrate this idea. You performed it. On the cover. Before the first word."

She turned the portada toward him and traced her finger along the ghostly double exposure. "I impose them because most students use decoration as a crutch. A blurry clip art of a book. A drop shadow. A gradient. They do not understand that a cover is an argument. It is the first sentence of your thesis, spoken in the language of space and silence."