Figure (Doors)

you open a door that has the words “door 50” right as you open it you realize that the whole place is a giant library suddenly a big lanky monster charges at you and then it turns away as that happens, you realize that it must not see. you see your book hanging out and grab it and you noticed that it has a shape written on it and see a lock on the door, preventing you from escaping. As you gain all of that information, you drop the book that you were holding and she hears you I heard that.