Scarce. 2 matching volumes. Tomo I: Desarrollo de los Acontecimientos. Tomo II: Abreviaturas Anexos y Fuentes Bibliograficas. Many pullout maps etc. Slight fox to page edges. Both textblocks in good condition. Manufacturing fault to the first few pages of volume two giving it a crease. Both volumes have a bookplate from Kenn Back (1942-, Meteorologist for the British Antarctic Survey and descendant of the Arctic Explorer Captain George Back). Additional photos are available upon request. Text in Spanish. When securely packed this item will weigh in the region of 1735g. (YBP Ref: 032078:3-G9)