Facts about
24 total works
Examines such aspects of stars as their relationship with other heavenly bodies, their study by humanity, their chemical composition and life, and the different kinds of stars.
Describes the origin of cities, aspects of city life, and specific cities old and new, past, present, and future.
Discusses the many aspects of outer space, including how it has been explored and measured, how it may have been formed, what bodies exist in it and how they move, and how it is changing.
Describes how various groups, such as the Inuit, Bedouin, and Tuareg, move around from place to place with their families and animals.
Text and pictures present a basic introduction to space exploration, from rockets to men on the moon to space stations.
Text and pictures introduce basic information about birds, their habits, and their behavior.
Text and illustrations introduce sea animals from the simplest types such as corals and sponges to the more highly developed fish and sharks.
Traces the evolution of reptiles from various prehistoric animals, including flying and sea dinosaurs. Discusses the death of dinosaurs, where reptiles live today, the variety of lizards, snakes, crocodiles, alligators, and turtles, their enemies, and their future.
Introduces various types of insects, describing their skin, wings, eyes, feelers, life cycles, and environments; how they breathe and eat; and those that are pests and those that are helpful.
Traces early maritime history from the Egyptians to Captain Cook, discusses how sails were developed to use the wind, describes clipper ships, steamships, ocean liners, working ships, inland waterways, and canals, and examines safety at sea and the future of ships.
Describes aspects of rivers and lakes, including their history, benefits to humanity, pollution, and conservation.
Discusses the types of forests, the trees that constitute them, the clearing and planting of forests, and their interaction with both humans and wildlife.
Describes various aspects of deserts, including their creation, modernization, plant and animal life, mineral and oil resources, and how humans live there.
Explains how mountains and volcanoes are formed, which animals live in mountains, and life and travel in the mountains.
Discusses such aspects of farming as commercial farms that use machines, small farms in undeveloped countries, food crops and what happens to them, factory farming, and dairy farming.
Describes different types of families around the world, discusses how families work and play together, and defines such terms as foster parent, household, and relative.
Discusses how planes fly, the history of flight, the first airlines, occupations involving aeronautics, contemporary commercial flights, and other aspects of planes.
Describes different methods of getting energy from wind or water, including windmills, water wheels, dams, and the harnessing of river power.
Discusses different kinds of energy, where it comes from, how it is stored and transported, and how it is used.