This is a book about the History of the Ecuadorian–Peruvian territorial dispute.
Among the documents published is the letter of the liberator Don Simon Bolivar to General Santander on August 3, 1822. Some autograph sheets justifying the particular investigation. There are 42 pages of plates.
It is the first two-case series on the subject. It was published in 1941, the year in which the greatest war between the two countries of South America took place. It is a bilingual publication: Spanish and English. The second phase refers to the territory of Jaén and was published only in English in 1943.