Chronicles the history of scientific speculation and research on the nature of the atom, from the beginnings of chemistry in the Bronze Age to the impact of Max Planck's quantum theory. Also includes a glossary and lists of related books and Web sites.
Describes the development and construction of the Transcontinental Railroad, discussing the concept of Manifest Destiny, the Industrial Revolution, the race between the Central Pacific and Union Pacific, and problems that arose from work on the project.
Presents an overview of tuberculosis, covering its history, scope, diagnosis, treatment, research, and prevention; and includes a glossary, a bibliography, and a list of related organizations.
Because she is a Marrano, thirteen-year-old Isabel suffers the harrowing experience of expulsion from Spain during the reign of King Ferdinand and Queen Isabella.
Photographs and text explore the natural and human history of America as it is revealed in the monuments, parks, battlefields, and preserves of the National Park Service.