Henry M. Stanley 
How I Found Livingstone 
Travels, adventures, and discoveres in Central Africa, including an account of four months’ residence with Dr. Livingstone, by Henry M. Stanley

This book is a fascinating memoir of the great adventures of the 19th century. It is a true story about incredible hardships-diseases, hostile natives, tribal wars, impenetrable jungles and other obstacles. It also includes a lot of valuable information about the people of Africa.