Although both serve to prove identity and citizenship, they do not have the same scope or uses before the authorities.

Which one should you get? It all depends on where you want to go and how you prefer to get there—by air, land, or sea. Passport books are valid for air travel and all international trips, while ...

The U.S. Department of State issues two types of international identification for travelers: the passport book and a more ...

With everything that has happened in the last one year, international travel from or to the U.S. isn't as simple as it used to be. A classic example is the visitors to the U.S. for the World Cup, who ...