This book explains how canyons are formed, how the are studied, and what they teach us about the history of the earth by revealing the geologic layers of the planet's.
Examines the history of the U.S. Department of Labor, the part of the government responsible for overseeing the welfare of American workers and retirees, looks at the accomplishments of some of the people who have served as Secretary of Labor, explains how the USDOL works, and discusses the department's role in the twenty-first century.
Examines the life of astronaut Buzz Aldrin, discussing his childhood and education, his career as a combat pilot, astronaut training, and his experience as one of the first men to set foot on the moon.
A brief biography of John Dewey, American philosopher and educator, providing information on his youth, his education, his achievements, and his impact.
Provides historical background about terrorism in the United States and elsewhere and discusses how to spot it, how to deal with it if it strikes, and how people can heal in the aftermath.
Provides information about professions in aircraft maintenance, and looks at who employs aircraft maintenance professionals, basic job requirements, training and education, job conditions and outlook, and related careers in aviation.
An examination of the machinery, specifications, technology, and capabilities of the B-1B with a discussion of the plane's early development, combat history, and likely future.
