Learn the ins-and-outs of the giant underground vault located beneath one of the most famous buildings in the United States. Additional features to aid comprehension include a table of contents, fact-filled captions and sidebars, detailed photographs, an informational diagram, a phonetic glossary, sources for further research, and an introduction to the author. Author/Illustrator biography Index Sources for further research Suggested websites Table of contents Glossary of key words Informative sidebars How does New York's Federal Reserve Bank protect its several thousand tons of gold. How tight is the security at the Super Bowl? What's behind the gates at Area 51? This series takes readers on a tour inside some of the most secretive, secure places in the world. Anecdotes, diagrams, and behind-the-scenes photos help illustrate the hidden workings and extreme measures taken to ensure the secrets and treasures of these highly guarded places stay safe. Each book includes sidebars that provide additional information to illustrate key concepts related to the topic and a phonetic glossary.
