variation

Contains photographs and facts about newly discovered and strange animals.

Offers a detailed comparison of the language and customs of the United States and the United Kingdom, describing differences in daily life, culture, traditions, and language.

A collection of intriguing facts and observations about the vocabulary and pronunciation modern English speakers and what they mean.

Explains how the human genome makes people what they are, and describes how some mutations have occured throughout history.

Traces the history of the English language, discussing how it evolved from a language used by only a few thousand Anglo-Saxons into one used by more than a quarter of the human race in the modern world.

Offers a detailed comparison of the language and customs of the United States and the United Kingdom, describing differences in daily life, culture, traditions, and language.

Describes the diversity of the animal kingdom, including adaptations, defense mechanisms, and symbiotic relationships.

Describes the multiplication and distribution throughout the world of humans and various species of cats, camels, and bears from their ancestors millions of years ago.

Provides a detailed account of plants and the methods by which they are classified. Helpful diagrams, drawings, photographs, and sidebars will fascinate readers.