History, trivia, and fun through photographs and articles present life in the United States between 1920 and 1929.

History, trivia, and fun through photographs and articles present life in the United States between 1940 and 1949.

History, trivia, and fun through photographs and articles present life in the United States between 1960 and 1969.

Traces the evolution of the airplane from man's first flying machine to today's supersonic jets.

Surveys the development of land transportation in relation to the needs, skills, and technologies of people living at different periods of history.

Examines the principal causes and events related to the relationship between Israel and its Arab neighbors and considers what the outcome could be if different decisions are made during this time.

Chronicles the history and achievements of Chinese civilization from 2205 B.C. to 1911, and includes a time line, glossary, and pronunciation guide.

Chronicles the rise and fall of the Ghana, Mali, and Songhay empires in West Africa from the first to the sixteenth century, and includes a time line, glossary, pronunciation guide, and further reading list.

Discusses the history of space travel from thousands of years ago to the present.