Books about Balochistan (Pakistan) -- Description and travel

The Gates of India: Being an Historical Narrative

From the Indus to the Tigris : A narrative of a journey through the countries of Balochistan, Afghanistan, Khorassan and Iran, in 1872, together with a synoptical grammar and vocabulary of the Brahoe language, and a record of the meteorological observations and altitudes on the march from the Indus to the Tigris