Royston, Angela

Provides a simple explanation of the differences between natural and manmade materials, and includes examples of their uses in everyday life.

Photographs and simple text teach children about materials, including their origins, their physical characteristics, and the products into which they are made, covering wood, glass, metals, plastic, and several others.

Explains the difference between things that are living and non-living, looking at the needs, abilities, and characteristics of each.

Photographs and simple text teach children how people move, what friction is, and how bicycle brakes work.

Describes the life cycle of sockeye salmon, as they swim from the river in which they are hatched to the sea and back again.

Photographs and simple text teach children about materials, including their origins, their physical characteristics, and the products into which they are made, covering wood, glass, metals, plastic, and several others.

Explores the history, steps, and costumes of ballroom dance.

Examines the causes and disastrous effects of volcanoes; and discusses how scientists study volcanoes and some benefits of volcanoes.

Explains for children how tooth decay happens and how to prevent it, describing proper dental care.

Provides information about warts, discussing their causes, signs and symptoms, treatments, and cure, and explains how to guard against catching warts.