Bipa does not believe in fairy tales. She"s not interested in anything beyond the caves where her people live. Her friend Aer, on the other hand, seems to get farther and farther from reality every day. One day, Aer sets off on a dangerous journey in search of the legendary Ethereal Kingdom, a place where suffering doesn"t exist, and people never feel cold or hunger. Bipa follows him trying to stop his absurd quest, but soon she finds herself pursuing her own dreams too. The latest novel by one of the most important authors in contemporary Spanish-language literature for Young Adults Bipa no cree en los cuentos de hadas. No le interesa nada mas alla de las cuevas donde vive su gente. En cambio su amigo Aer, el hijo del extranjero, parece que cada vez se aleja mas de la realidad y va dejandose absorber por el brillo de la estrella azul. Donde dicen que vive la Emperatriz de los Etereos. Por que quiere partir si en el exterior solo hay hielo y al parecer lo unico que se encuentra es la muerte?