As part of Colección de Obra Fundamental, the Banco Santander Foundation recovers the life and work of one of the great castaways of 20th century Hispano-American intellectuals. 

La torre invisible is an essential selection of the multifaceted work of one of the most cultured and penetrating Spanish-language writers of the 20th century on both sides of the Atlantic, an author beyond all trends and fashions, with a unique style.