The Atlantic Ocean is the second largest ocean in the world and is more than six times the size of the United States. The Atlantic Ocean is the saltiest of the planet's seas. Deep in the Atlantic Ocean lies the Mid-Atlantic Ridge -- the planet's largest mountain range. These are just a few of the amazing facts in Life in the Atlantic Ocean . This educational exploration book invites young readers, grades 1-4, to learn about the sea creatures who make their home in the Atlantic Ocean, its topography, and vegetation through vibrant photography and captions. Content includes further reading and web site recommendations, as well as a glossary of terms and index.