Selim Aga (c. 1826–1875), freed slave, autobiographer, and explorer, was born in the Muslim kingdom of Taquali, in the Nuba Mountains of Sudan, about 1826. The son of a prosperous farmer, he was destined to inherit the family property, but about the age of nine or ten, while tending his father's sheep, he was captured by raiding Arab slavers. After much ill-treatment and being sold to various masters he was transported over ...