Text and photographs reveal the culture, history, artifacts, and traditions of Vietnam, an S-shaped country in southeast Asia that is 1,000 miles (1,600 km) long.
A boy tending sheep on a lonely mountain side thinks it a fine joke to cry "wolf" and watch the people come running until the day a wolf really does come.
Presents a guide to the country of Portugal, and includes general information on its economy, people, geography, history, and government, as well as important vocabulary words.
Discusses the process of evolution, and looks at some of the physical and behavioral adaptations that have occurred in animals to enable them to survive.