"This book focuses on fantastic ocean life - a watery alien world. Knowledge on marine life is important to promote an awareness of humans affect the world and the creatures living in it. There should be a balance of life in both land and sea"--OCLC.
"Learn of [the Earth's oceans through] their composition and underwater features. Also study the differences and similarities of the two types of ocean currents: the surface and the deep ocean"--Amazon.
