Richard Rosenblum

This book shows you how the national flag of the United States changed as the country grew from the original thirteen states to fifty. It shows you other flags, too, that mark important events in U.S. history. Just as the flag changed, so did the uniforms of the fighting forces that have helped keep the United States free and independent for more than 200 years.

Explains how icebergs are formed from glaciers, move into the ocean, create hazards to ships, and sometimes melt away.