The Kurux Language: Grammar, Texts and Lexicon by Masato Kobayashi and Bablu Tirkey is a comprehensive description of Kurux, a northern Dravidian tribal language with two million speakers. Isolated in the Chota Nagpur Plateau of Eastern India, Kurux shows a unique mixture of archaic Dravidian traits and innovations induced by contact with neighboring Indo-Aryan and Munda languages, and has posed questions regarding language change and Dravidian subgrouping. Making use of first-hand materials from their fieldwork, Kobayashi and Tirkey analyze the complexities of the language in the...