Two thirds of our planet is covered with water. Every fragment of land, from the great contingent of Eurasia to the tiniest pasific island, has a shore. The total length of shorelines is huge. Yet the width is hardly measurable in comparison - it is often just a few yards. Shores are strange places, being the edge of the land as well as the edge of the sea. The sea level rises falls with the tides, making the shore sometimes wet and sometimes dry. Winds drive unchecked across the open ocean and hit the coast wit great force. This book explores the world of the seashore and describes how its inhabitants adapts to their constantly changing surroundings.