Provides answers to questions about the seasons, rivers, deserts, volcanoes, oceans, icebergs, moon, stars, planets, and space. An activities section is included.
Questions and answers provide information about how cameras, elevators, car engines, tops, yo-yos, and other devices work. Includes charts, diagrams, and an activities section.
Provides answers to questions on variety of topics including "How are sneakers made?", "Where do pictures on TV come from?", "Are seashells alive?", "How are toys invented?" and "What are clouds?"