yes , i. jac was distracted as a door opened on the other side of the corridor , and alaysha turned too : mrs orwin , pushing eighty and half-toothless , who made it her business to check any noise close by her door and strike up a conversation with the passer-by if she saw fit , appraised them briefly , forced a closed-mouth grimace so that she didnt frighten them too much , then as quickly closed the door back the few inches shed opened it .