FROMENTIN (Eugene). Sahara Sahel. I. A summer in the Sahara. II. A year in the Sahel. Paris, Plon et Cie, 1879. In-4, illustrated with 45 reproductions of sketches and drawings of which 13 out of text and 32 in the text, as well as 12 plates engraved with etching on China paper pasted on strong paper, after the drawings of Eugène Fromentin. Bound in half brown morocco with corners. (spine unstained, binding rubbed)