Grand Central Terminal, at the very center of New York City, is the sixth most visited tourist attraction in the world. From the world's largest Tiffany clock to using electric trains since the early 1900s, it has been a symbol of beauty and innovation for more than one hundred years. But "the world's loveliest station" is hiding more than just an underground train system, and now Alex Cooper and Mike Chapman must contend with Grand Central's dark secrets.
