This classic work is a must-read for anyone interested in coastal geology and ecology. It provides an in-depth analysis of the complex and dynamic sand formations that exist along the world's coastlines, from the great sand deserts of Africa to the sandy beaches of the United States. The book also discusses the unique plant and animal communities that exist in these habitats, and the challenges they face in an ever-changing environment. Whether you are a professional geologist or simply a lover of nature, this book will deepen your understanding of the natural world. 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.