Guam, in the North Pacific Ocean, is more than 5,000 miles (8,000 km) west of San Francisco. This island has a fascinating past that goes back thousands of years, long before it was colonized by the Spanish in the 1600s. Readers will learn about Guam's history and how it became a U.S. territory in this absorbing look at the largest and most southern of the Mariana Islands. Readers will also discover a lot about the territory's natural resources, government, culture, and more. Stunning photographs, primary sources, fact boxes, biographies, and a timeline contribute to the engaging format.