Hollar, Sherman

Although more than 200 years have passed since the death of the first U.S. president, the name George Washington still invokes deep patriotism and pride in the country he helped found. Readers trace the life of the man known as the Father of the this Country, from his childhood to his military successes through his tenure as president.

This book describes the life of John F. Kennedy, the thirty-fifth president of the United States.

Introduces conservation, discusses its goals, and details protection efforts of the past and present.

An introduction to ecology, discussing the nature of ecology, describing how scientists study the natural environment, and examining different ecosystems, ecological communities and how communities interact, and related topics.

A military hero during the War of 1812, the seventh president of the United States, Andrew Jackson brought the same determination and strength of character he showed on the battlefield to the presidency. Lively text recounts the life and presidency of this complex and contentious figure in American history.

Presents the vibrance of the ancient Egyptian life from the dynasties to the massesare and also explores the political and social development of the region.

Sound has the power to soothe, excite, warn, protect, and inform. Indeed, the transmission and reception of audio signals pervade our daily lives. Readers will examine the mechanics and properties of sound and provides an overview of the interdisciplinary science called acoustics. Also covered are functions and diseases of the human ear.

Introduces the science of astronomy including the planets, stars, and comets; how telescopes work; the history of the science; and how amateur astronomers can be useful to scientists.

Briefly explores the lives and contributions to the new nation of the United States and the American world by people like George Washington, Thomas Jefferson, and Frederick Douglass.

Describes the outer planets of the solar system and details their physical features, their environmental characteristics, and the history of exploration of each planet.