National Geographic readers. Level 1

Colorful photographs and simple text introduce children to the world of amphibians.

Photographs and text introduce early readers to various types of trucks, and features a mining truck and others.

Photographs and text introduce early readers to various types of storms and examine the conditions and effects of thunder and lightning, monsoons, hurricanes, and tornadoes.

Text and photographs look at sea otters.

Introduces children to the weather. Includes word definitions and questions and answers.

Text and photographs look at sea otters.

An itroduction to lions covers where they live, what they eat, and how they communicate, and follows the animal's development from cub to adult.

Provides information about these playful mammals, including their aquatic habitats, diet, physical characteristics, and behaviors.

Text and photographs look at owls.

Describes the physical traits, behaviors, habitat, life cycle, and conservation status of koalas. Features color photographs, a quiz, and a picture glossary.