About 71 percent of Earth is covered by water, and most of that is found in the oceans! How did these huge bodies of water come to be? And what can be found beneath their vast surface? In this book, readers find a wonderful introduction to Earth's oceans. From where they are found, their parts, and the wildlife that can be found in the many marine habitats of the oceans, the main content gives a comprehensive, but age-appropriate overview of the oceans. Full-color images with helpful labels aid readers' understanding.