Antonio Iturbe was born in 1967 and grew up in the dock-side neighbourhood of Barceloneta, in Barcelona. He studied Information Sciences at the Universitat Autònoma de Barcelona and over the past fifteen years has worked as a cultural journalist. In 2005, he made his debut as a novelist with the comic novel Rectos torcidos and has written for children with the series Los Casos del Inspector Cito, a collection of the stories he used to read to his son at bedtime. He is the author of the international bestseller The Librarian of Auschwitz and The Prince of the Skies.

Loreto Aroca is a Spanish artist and a graduate of the University of Castilla-La Mancha. She previously won the school’s Luna de Aire Award, honoring the best poetry aimed at children, for her and Fran Pintadera’s book Portrait of the Pinzón Family (Retrato de la familia Pinzón).