This book tells the story behind the developments for people to communicate with one another from across the street to across the country.
Describes the deepest part of the ocean, called the abyss, and explains how, with new equipment and technology, humans are beginning to learn more about the abyss and the creatures who live there.
Explains what early civilizations believed about natural disasters; highlights notable eruptions, earthquakes, fires, floods, droughts, famines, and diseases, as well as two noted military failures; and recounts the end of the ancient world.
This book introduces pioneer pilots Otto Lilienthal, the Wright brothers, Roland Garros, and Anthony Fokker. Flying aces such as the Red Baron, Albert Ball, and Edward Mannock are also discussed. Reading Essentials in Social Studies.