  Erin stood outside the treehouse library and adjusted her saddlebags nervously. Then she adjusted her hat. Then she adjusted her uniform. As she started adjusting her saddlebags once again, she finally admitted to herself that no amount of adjusting would make her less nervous about facing the scrutiny of the Ponyville librarian once again. It briefly occurred to her that she could simply quit her job, but she shoved that thought roughly aside. Gulping down her fear, she knocked a hoof against the door and stood there awkwardly. 