Calleja (pseudonym)

Saturnino Calleja Fernández was a Spanish publisher, editor, and writer best known for founding Editorial Calleja in Madrid in 1876. Through that publishing house, he helped popularize inexpensive, heavily illustrated books that reached a wide family audience, especially children.

His catalog was broad, but he became especially famous for fairy tales and educational reading. Editorial Calleja published works on many subjects, yet its children’s series made the strongest cultural impact, helping shape reading habits for young readers across Spain and beyond.

Because his editions were so widely circulated, Calleja’s surname became almost synonymous with children’s storybooks. Today he is remembered less as a novelist under a pen name than as one of the key figures in Spanish-language popular publishing for children.