First published in 1935, this pioneering work was designed to help young children develop language and reading skills in a progressive and systematic way. Its innovative approach included the use of controlled vocabulary and carefully sequenced stories and exercises, making it a landmark in the field of early literacy education. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.