Hidden in Plain Sight: Beyond the X-FilesThis is the most in depth book by Dr. Richard Sauder, the world's premier investigator of underground bases and tunnels. In these pages, Dr. Sauder asks, and often answers, such questions as: Where are the secret underground bases? How far down do they go? What leaks are coming from the classified world? What has the U. S. Navy planned for beneath the ocean floor? Are there bases beneath the ocean? What's going on beneath Washington, D. C.? Are there