Originally published in 1914, this book argues that the problems of poverty, crime, and disease are all interconnected, and that the only way to solve them is through a comprehensive program of social reform. Fletcher identifies social quarantine - the idea that society has the right to protect itself from those who are a threat to its well-being - as the key to achieving this goal. 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.