Read Series: Barsac Mission
by Author Jules Verne
Book
Into the Niger Bend: Barsac Mission, Part 1 (1976)
The last novel by Verne first published in France fourteen years after Verne's death. In it, two politicians and their entourage travel through French West Africa in the late 19th or early 20th century to gather evidence to support arguments for and against giving voting rights to black Africans.
Book
The City in the Sahara (1976)
The second book of a two book series called "The Astonishing Adventure of the Barsac Mission" about a group of Frenchmen & an Englishwoman traveling in Africa who're captured by a leader of a criminal group who have a secret oasis city in the desert.