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A fourteen-volume encyclopedia covering animals, plants, countries, transportation, science, ancient civilizations, US states, US presidents, and world history.
Introduces Veterans Day, explaining the historical events behind it, how it became a holiday, and how it is observed.
Explains what cells are and introduces the different systems of the body, including the circulatory, musculoskeletal, and digestive systems.
Explores the events in John F. Kennedy's life that inspired his inaugural speech and actions as president.
Examines the difference between renewable and nonrenewable energy sources, and whether there is an energy crisis; and discusses the sun, biomass, wind, and moving water as sources of energy.
Discover how springs make toys work. Topics include what are springs made of, how does a spring work, and what happens if you pull a spring too far.
Looks at the sport of football, discussing the history, skills, and tactics, and highlights top players, coaches, and teams.
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