The instruction of both native and foreign-born persons in the essentials of the English language, numbers, civics, geography, and history is an important task. The United States Bureau of the Census reports that in 1920, nearly 5,000,000 of our population over 10 years of age could not write in any language. The number who need instruction in elementary subjects is relatively large, and there is a growing demand for trained men and women to teach these subjects to adults. The teaching of the adult immigrant or native illiterate is a highly specialized work, needing carefully selected teachers who have specific training to carry on this endeavor. For this reason, this bulletin on methods and teaching aids is presented with the hope of meeting the needs of instructors of extension courses in universities, colleges, normal schools, and of the teachers of classes of adult immigrants and native illiterates. (Contains 2 tables; individual chapters contain references.) [Best copy available has been provided.]