The Greenbrier Information For Guests Book Revised Edition 1957 is a collectible advertising piece for the Greenbrier hotel. This book provides guests with information about the hotel's amenities and services, making it a valuable keepsake for those who have stayed at the Greenbrier. In addition to the book, the listing includes unused Greenbrier postcards that can be used to send messages or as additional collectibles. Both the book and postcards offer a glimpse into the history and luxury of the Greenbrier hotel.