Describes the Golden Gate Bridge that connects Marin County to the city of San Francisco, including information about its history, design, and construction.
Describes the unique features of Earth, its place in the solar system, its makeup, and how scientists have learned about our home planet through research.
Discusses the physical features and origins of the Grand Canyon, covering its depth and length, how it was formed by the Colorado River, and its appeal to millions of tourists every year.
How many kinds of warships are made? Who lives and works on warships? Covering everything from prow to stern, this book reveals how these powerful ships help protect our country and our people.
Did you know that the Rocky Mountains range is more than 3,000 miles long? It stretches all the way from Canada in the north to New Mexico in the south. Some people call them the "Backbone of North America." But how were they formed? What caused their peaks to rise so high? Read this book to find out!