Our world

Provides an illustrated discussion of coral reefs such as the Great Barrier Reef near Australia, describing polyps, their ideal conditions for survival and growth, appearance, and importance as habitats for other animals.

Describes the characteristics of tundra biomes, where they are located in the world, the importance of their environments, and the plants and animals that inhabit them.

Introduces children to rivers, exploring how they are formed, what type of water flows through them, how they can be used, and other related topics.

Explains why there are seasons, describes the characteristics of each of the four seasons, discusses how the seasons affect farming, and looks at how seasons are experienced in different parts of the world. Includes activities.

Discusses the characteristics of coasts around the world, including how coastlines recede and advance, climatic conditions, hurricanes and tsunamis, seashore plants and animals, and how people live in coastal communities.

Explains how different types of weather come about and discusses the climate zones of the world.

Text and photographic illustrations explain what volcanoes and earthquakes are, what forces cause their occurance and their devastating effects. Describes how movements in the earth's crust cause land to be created and destroyed.

Photographs and simple text teach young children what a life cycle is, how their bodies help them grow, and why some animals are bigger than others.

Provides information about water, looking at its different forms, where it comes from, how it is used, and water power. Includes activities.

Photographs and simple text teach young readers about rocks and soil, including information on where soil comes from, how fossils are made, and how rocks, soil, and minerals form and change.