[Robert Young and William Morgan] have made it possible to educate, communicate, inform, and entertain through the written Navajo language."-Navajo Tribal Council "[The Navajo Language] is a unique contribution to American Indian linguistics and lexicography. [It is] a reference work of the highest quality, a book that is a rich resource for Navajo speakers, people learning to speak Navajo, and scholars interested in Navajo and Athabaskan linguistics."-International Journal of American Linguistics