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,
John Hanning Speke funded by the people Speke was now not on good terms with. It appears that just as Burton had overplayed his hand after the first trip Speke now did the same. Now the RGS asked that a public debate should be held between Speke and Burton to try and settle the Nile. A debate was planned between Speke and Burton before the geographical section of the British Association in Bath on 16 September 1864, but Speke had died the previous afternoon from a self-inflicted gunshot wound while shooting at Neston Park in Wiltshire. A contemporary account of the events surrounding