Doll Island Books

Summary: Diego's life in Mexico City seems normal until children mysteriously fall into eternal slumber. Rumors of a dream-invading boogeyman, El Cucuy, reach Diego, linking the sleeping illness to this sinister force. With his friends Jandro and Itzel, Diego must confront the nightmare realm where El Cucuy reigns. Can they unravel the mystery and save their classmates before they too are trapped in endless dreams? The stakes are high, and the clock is ticking as they venture into a world where waking up is not guaranteed.