In this influential work, Franklin Henry Giddings provides readers with an exhaustive overview of the principles and theories underlying the field of sociology. Drawing on his extensive knowledge of human psychology and social behavior, Giddings offers a deep and nuanced analysis of the factors that influence and shape human society. This book is a must-read for anyone interested in the social sciences, or in the study of human behavior more generally. 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.