Yuyi Morales was born in Xalpa, Mexico, in 1968. She spent the first twenty-five years of her life in Mexico before moving to the United States with her husband and son. In 1997 she created a weekly children's radio program for KP of San Francisco, which ran for three years. At that time she began writing and illustrating her own children's stories and touring all over the country. Her books have won her countless awards and honors (including the Pura Belpré Award, the Christopher Award, and the James Addams Award. She is the author of Niño Wrestles the World, Rudas: Niño's Horrendous Hermanitas, Los Gatos Black on Halloween, Little Night/Nochecita, and Viva Frida.