The Ngas (Angas) language is spoken by some 400,000 people on the southern escarpment of the central Nigerian Plateau (Plateau State). The historically innovative language of the Chadic Angas-Sura group together with the neighbouring more archaic Ron languages are the southwesternmost representatives of the Afroasiatic/Hamitosemitic phylum to which also Arabic and Ancient Egyptian belong. Ngas, a tone language with three levels, has still preserved the classical pronominal system. The book presents a detailed outline of the grammar and a Ngas-English dictionary of some 2,000 lexical entries.