Focusing on coasts and islands, this book is part of a series which introduces children to the basic principles of physical geography. It looks in detail at how coasts and islands came into being and how they are evolving. The shape of the Earth is always changing. the sea is a powerful force of nature that both wears away land and helps to form new land. This book looks at how the waves and currents of the sea shape our coastline and at how different types of islands are formed. It also looks at the wildlife of the coast and explores the ways in which people use coasts for industry and enjoyment.