Geography starts

An introduction to volcanoes and how they work, describing their formation, destructive forces, and benefits.

An introduction to the seas and oceans of the world and the impact of people on them.

Introduces the various forests of the world, including mangrove, broadleaf, evergreen, and rain forests.

An introduction to the types and characteristics of rivers and to their formation, drainage, and floods.

An introduction to the types and characteristics of mountains, including volcanoes and glaciers, and the disastrous effects on them of landslides and avalanches.

An introduction to the various lakes of the world and the impact of people on them.

Explores the formation and different types of islands, discussing coral reefs, volcanic activity, and island flora and fauna.

An introduction to the deserts of the world and the unique characteristics of their environments.