Eyak (dAXunhyuuga’) is the traditional language of the Copper River Delta region of the Gulf of Alaska. Smallest of the Alaska Native languages, Eyak had nearly been forgotten by the scientific community by the early twentieth century. In 1963, recognizing both the severely endangered status of the language and its critical importance to the linguistic prehistory of Alaska, Michael Krauss began a systematic effort to document every aspect of the language, working with each of the few remaining speakers. Drawing on more than fifty years of research, this grammar provides the first...