In this study of the Navajo language, Professor Robert W. Young tackled what strikes both the learner and the native speaker as an insurmountable obstacle--that Navajo appears to be a verb-centered language in which all the verbs are "irregular." In The Navajo Verb System Professor Young reveals both its structure and its inflection as entirely "regular" and based on definite rules of order. A leading authority on Navajo verb morphology,...