Buenos Aires: Editorial Sur, 1942. First Edition. 124 pp. 1 vols. 8vo. Blue wrappers. Some slight toning to spine, and a few scattered marks to covers which remain remarkably bright, rubbing along edges of spine, light foxing inside. Very good plus. First Edition. 124 pp. 1 vols. 8vo. The breakthrough volume containing many of his most important fictions written during the preceding five years, including the title story composed in 1941 "This is Borges's crucial book, arguably the most important work of modern Latin American literature.... it is easy to forget how original, indeed revolutionary, were Borges's procedures, especially in Latin America, which international modernism had yet to penetrate... The light blue wrappers... seem an unmistakable reference to James Joyce's Shakespeare & Co.. Ulysses... of which Borges proclaimed himself the first hispanic explorer in his callow youth" (Charles Vallely, Jorge Luis Borges. A Catalogue of Unique Books and Manuscripts, Lame Duck…