In 1879, the British colony of Natal invaded the neighboring Zulu kingdom. Large numbers of Natal Africans fought with the British against the Zulus, enabling the British to claim victory and, ultimately, to annex the Zulu kingdom. Less than thirty years later, in 1906, many of those same Natal Africans, and their descendants, rebelled against the British in the name of the Zulu king. In The Other Zulus , a thorough history of Zulu ethnicity during...