La Habana: Printed by Ediciones en Colores for the Cuban government, 1965. Pamphlet. 27p. plus appended facsimile letter from Guevara; upright staplebound pamphlet, 8x4 inches, cover illustration a b&w photo of Castro at podium, back cover a group shot of assembled Party members. Che's letter runs 3 pages in photographically reduced facsimile. All texts entirely in the Spanish language. Mild edgewear with a light crimp across the top margin of entire booklet, clean and otherwise sound, a good copy.