Egypt, the Soudan and Central Africa. Explorations from Khartoum on the White Nile to the Regions of the Equator.

Elibron Classics. Replica of 1861 edition by William Blackwood and Sons, Edinburgh and London.
This edition comes with an oversize PDF.
John Petherick (1813 – 1882), Welsh traveller in East and Central Africa. The book narrates his impressions and discoveries during sixteen years of traveling in the region.