Zuchora-Walske, Christine

An introduction to the planet Mercury that provides information on its size, atmosphere, temperature, gravity, orbit, and other related topics.

An introduction to the planet Earth that provides information on its size, atmosphere, temperature, gravity, orbit, and other related topics.

Text and photographs look at antibiotics, focusing on the history, the science behind the medical practices and the individuals responsible for major breakthroughs.

Discusses various issues pertaining to the debate over Internet censorship, covering topics such as child safety, public morality, security, intellectual property, freedom, and the history of censorship in the United States.

Simple text and photographs introduce the physical characteristics, behavior, and habitat of the sea star.

Discusses the mystery of ships and airplanes that have vanished in the area of the Atlantic Ocean known as the Bermuda Triangle, and looks at some of the possible reasons for these disappearances.

Introduces the physical characteristics, behavior, and habitat of the black-tailed prairie dog.

Interactive scenarios, sidebars, photographs, and activities introduce readers to science concepts related to the transfer of energy.

A comprehensive guide to Nepal that features information on the geography, history, government, people, culture, and economy; and includes a timeline, profiles of famous people, and maps.

An illustrated discussion of Chad, covering its geography, history, government, people, culture, economy, and more, and includes a timeline and glossary.