A pioneering account of one of the most innovative educational programs of the early 20th century, the Elizabeth McCormick Open Air School in Chicago. Kingsley's book describes the history and philosophy of the school, which placed a strong emphasis on fresh air and outdoor exercise as key components of childhood development. Featuring first-hand accounts from teachers and students, as well as detailed information on the science of ventilation, this is an inspiring and informative work for educators and parents alike. 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.