Examines the history and traditions of Earth Day, an observance which promotes awareness of and appreciation for the Earth's environment.

The history of human activity in the Rocky Mountain range is as colorful as its scenic natural wonders. It has been witness to the decimation of Native peoples, the westward expansion of European settlers, the frenzied activity of several gold rushes, and the blazing of transcontinental railways. This fascinating book describes the geological makeup and history of the Rocky Mountains, as well as the cultures and ways of life of the people in the United...

This exciting book describes the geological makeup and history of the Mojave Desert in the United States. Located in the states of California, Nevada, Utah, and Arizona, there are several national parks in the desert including Death Valley - the hottest place in North America. Readers will learn about the people, plants, and animals such as cougars, scorpions, and rattlesnakes that inhabit this desert habitat. The Mojave Desert is also a windy place...

On September 17, 1787, a handful of Americans signed a historic document that helped organize a structured government for the United States and recognized the rights of its citizens. This national holiday celebrates the most important document in the history of the United States - its Constitution. This exciting book will educate children on a crucial turning point in American history.

Running almost the full length of South America on its western coast, the Andes is the longest continental mountain range in the world. This remote and harsh environment saw the rise and fall of one of the great ancient civilizations of the world - the Incas. This fascinating book describes the geological makeup and history of the Andes mountain range, and how it is intertwined with the cultures and ways of life of the people in South America who...

Summer is the warmest season with the most hours of daylight. Readers will learn these and other "sun"sational facts about summer! Detailed, full-color photographs and engaging text-dependent questions will captivate the interest of young readers.

Many holidays and festivals celebrated in the United States honor religious events and important dates or people in the country's history. This interesting book shows how Americans celebrate holidays and family occasions, as well as the traditions of the cultures from which their families first came. Teacher's guide available.

From a quiet whisper to a blaring siren, our ears keep us tuned in to the sounds around us. This engaging new title explains how our sense of hearing works, how it helps us learn about our surroundings, and how we can protect this important sense.

From eating pests to being a source of food for other animals, insects play a vital role in the world. This exciting new title examines some of the many ways insects are helpful to other living things and helpful to the Earth. This informative title will inspire a respect for insects and all living things.

Why is fall the most appropriately named season? Readers will learn the answer to this question and much more in this captivating new title. From cooler temperatures and fewer daylight hours to colorful leaves and warmer clothing, readers will discover the many signs of the fall season.