Gift Shop › The Baltimore & Ohio Railroad in Maryland Book Image 1 of 1 The Baltimore & Ohio Railroad in Maryland Book $24.99 Learn the history of the B&O Railroad in Maryland with this book by David Shackelford! Get notified by email when this product is in stock. Sign up to receive news and updates. Quantity: Add To Cart Added! Learn the history of the B&O Railroad in Maryland with this book by David Shackelford!