La Llorona, or the Weeping Woman, is the frightening figure of a heartbroken woman who drowned her children and haunts the night, especially by riversides. Her story is repeated to children throughout Latin America, with numerous versions circulating throughout Mexico and the American Southwest.

The civilizations of pre-Hispanic Mexico recorded their histories, religious beliefs, and scientific knowledge in books called codices. Codices are folded pieces of hide or bark that depict both mundane and spiritual scenes with images, symbols, and numbers. Scribes and painters busily recorded d