He wrote two dozen books in a literary career spanning four decades.
He wrote a well-received biography of the artist Salvador Dalí (Todo Dalí en un rostro, 1975).
He also published a couple of histories of the Spanish Civil War, Tres días de julio in 1967, and Por qué y cómo mataron a Calvo Sotelo in 1982.
The latter work won the Premio Espejo de España.
Late in his career, he won the Ramon Llull Novel Award for his novel Castell de cartes.