Stille, Darlene R

Presents information in simple text about different types of trains and how they work.

Discusses the benefits of water, and looks at the harmful effects and methods of preventing water pollution.

Describes the physical characteristics and behavior of octopuses, as well as ways in which scientists study them.

Examines the different types of wetlands and the plant and animal life they support.

Examines the different types of grasslands and the plant and animal life they support.

Presents a general description of deserts and describes specific desert plants, animals, people, and activities.

An introduction to the ocean describing its physical characteristics, the plants and animals that live in or near it, and its importance to life on Earth.

Differentiates a tropical rain forest from all others, and describes its typical plant and animal life.

Biographies of fifty women scientists who have made significant contributions in scientific fields, such as Marie Curie, Dian Fossey, and Margaret Mead.

Illustrations and easy-to-follow text teach children how electricity powers different things inside a house.