Five Weeks in a Balloon the need to release gas or throw ballast overboard to control his altitude, allows very long trips to be taken. This voyage is meant to link together the voyages of Sir Richard Burton and John Hanning Speke in East Africa with those of Heinrich Barth in the regions of the Sahara and Chad. The trip begins in Zanzibar on the east coast, and passes across Lake Victoria, Lake Chad, Agadez, Timbuktu, Djenné and Ségou to St Louis in modern-day Senegal on the west coast. The book describes the unknown interior of Africa near modern-day Central African Republic as a desert,
University of Oxford Mecca and journeyed with John Hanning Speke as the first European explorers to visit the Great Lakes of Africa in search of the source of the Nile; mountaineer Tom Bourdillon, member of the expedition to make the first ascent of Mount Everest; and Peter Fleming, adventurer and travel writer and elder brother of Ian Fleming, creator of James Bond. The University of Oxford is the setting for numerous works of fiction. Oxford was mentioned in fiction as early as 1400 when Chaucer in his "Canterbury Tales" referred to a "Clerk [student] of Oxenford". By 1989, 533 novels based in Oxford