DENHAM, Dixon & Hugh CLAPPERTON. Narrative of Travels and Discoveries in Northern and Central Africa in the Years 1822, 1823 and 1824, London: John Murray, 1826, 4°, FIRST EDITION, engraved frontispiece and 36 plates, one hand-coloured (occasional light spotting and marginal staining), folding map (2 leaves torn at margins, light spotting), modern half morocco, original label laid down on spine.