About the book, from the author's website:
Jack Perdu, a ninth grade classics prodigy, lives with his father on the Yale University campus. Smart and introverted, Jack spends most of his time alone, his nose buried in a book. But one winter evening, a near-fatal accident changes Jack’s life forever.Click for a sample of the Audio Book.
His father sends him to see a mysterious doctor in New York City — a place Jack hasn’t been since his mother died there eight years ago. In Grand Central Terminal, he meets Euri, a girl who offers to show him the train station’s hidden places, the ones only true urban explorers know about. Eight floors below the station, however, Jack discovers more than just hidden tracks and mysterious staircases…