Now you are facing towards book shelf. Turn left. Go out of the open door. Move forward near a brown table. Turn right. You will see an open door. Go towards the open door by passing through the dining table to your left and some brown things on the wall. Go through the open door. Turn slightly left. You will see another open door to your left. Go through the open door. Turn slightly left. Move forward to the two chairs in front of you. Move forward to the open door in front of you. Go inside the open door. Move forward towards the closed window. You have reached your destination.