This award-winning picture book tells the true story of Mexican artist José Guadalupe Posada, who created the iconic calavera (skeleton) images now central to Día de Muertos (Day of the Dead). Through engaging text and unique Mixtec-inspired illustrations, Duncan Tonatiuh shows how Posada used his art to speak truth to power, humorously critiquing politicians and society. The book explores how his playful yet profound skeleton figures evolved from political satire into beloved cultural symbols that celebrate life and remember the departed.