Presents information about the world's oceans, how they were formed, their geology, tides, waves, sea life, coasts, resources provided by oceans, myths and legends about the ocean, and more.
Surveys the physical features, plant and animal life, human population, commerce, natural resources, and environmental concerns of the world's largest ocean.
Presents information about the world's oceans, how they were formed, their geology, tides, waves, sea life, coasts, resources provided by oceans, myths and legends about the ocean, and more.
Introduces the various types of dinosaurs, comparing their different feeding habits and care for their young. Includes tips on building lifelike models.
Text and accompanying photographs discuss population growth, problems of overpopulation, population distribution, ethnic differences, women's roles, and environmental concerns for the future.