Profiles ten of history's most significant inventions, including the printing press, the steam train, camera, telephone, car, radio, airplane, television, the microchip, and the World Wide Web, and discusses their effect on the world.
Presents an introduction to paper, looking at what it is, how it is made, its different forms, and how it is used; and features discussion of paper recycling. Includes photographs, a glossary, and a list of books for additional information.
Presents an introduction to wood, looking at what it is, where it comes from, how it is processed, its different types, and how it is used; and features discussion of wood conservation. Includes photographs, a glossary, and a list of books for additional information.
Describes the properties and uses of several different kinds of rock, including heavy rocks, rough and smooth rocks, precious stones, and sand and glass.