The guest room has been a work in progress since we moved, but it's finally sanctioned as a decent place to stay.
I also put one of our bookshelves in the room because I like the idea of people being able to thumb through books before bed or if they get bored. I used to like snooping through other people's libraries.
Having a house with an extra room is nice so that we can host visitors. It's also scary having a house with an extra room so that we can host visitors. I love my family and encourage friends to visit...in small increments :)