Volume I: With Laing's letters are included his 'Cursory remarks on the course and termination of the great river Niger', his 'Notes on Gadamis', his only surviving letter to his wife, and the newspaper report of his death. First published: 1964. Volume II: This and the following volumes reprint most of the Narrative of Travels and Discoveries in Northern and Central Africa in the years 1822, 1823, and 1824 by Major Denham, Captain Clapperton and the late Doctor Oudney (Second edition, 1826). This volume begins Denham's narrative. Includes previously unpublished documents relating to the mission. Each volume contains a glossary of Arabic terms. The main pagination of this and the two following volumes is continuous. First published: 1966. Volume III: This and the following volume reprint most of the Narrative of Travels and Discoveries in Northern and Central Africa in the years 1822, 1823, and 1824 by Major Denham, Captain Clapperton and the late Doctor Oudney (Second edition, 1826). This volume continues Denham's narrative, with additional documents. First published: 1966. Volume IV: These reprint most of the Narrative of Travels and Discoveries in Northern and Central Africa in the years 1822, 1823, and 1824 by Major Denham, Captain Clapperton and the late Doctor Oudney (2nd edition, 1826). This volume contains Clapperton's narrative, with the appendix of documents translated from Arabic, and additional documents. This is a new print-on-demand hardback edition of the volumes first published in 1966.