River of the Gods: Genius, Courage, and Betrayal in the Search for the Source of the Nile

"For millennia the location of the Nile River's headwaters was shrouded in mystery. In the 19th century, there was a frenzy of interest in ancient Egypt. At the same time, European powers sent off waves of explorations intended to map the unknown corners of the globe - and extend their colonial empires."--