Extend the Story - Add a Room

You grab the handle of the Bathroom door, you turn it halfway when you fall to the ground. The door stays closed and you re-enter reality.
You lie on the ground wondering how you got there. You try to retrace your steps but can't remember how you arrived in the Bathroom.
You remember reading the last of Page 55 of the book, but then everything is blank.
You stand up, a bit shaky because you don't understand what has happened.
You turn around to go use a Sink. you get to one and wash your face with cold water.
"Refreshing," you think, then all of a sudden you see something through the Bathrooms Mirror....

Look behind you