Hollar, Sherman

Examines the rich cultural achievements of the ancient Mesopotamia civilization, located between the Tigris and Euphrates Rivers which included the kingdom of Babylon and development of the first writing system.

Describes the consequences of pollution on the natural environment, discussing different types of pollution that affect the water, land, and more, and examining the impact of the destruction of the world's forests, desertification, and other environmental hazards.

An introduction to sound, discussing how sound is made, properties of sound, how sound is processed, and other related topics.

Explores the society, politics and beliefs of Ancient Egypt and the surrounding Nile Valley region, along with the cultural achievements of this ancient civilization.

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.

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.