over the floor. He took one book and slid it along the floor in such a way that part of it could be seen by Mrs Agnesssi from her desk. He made a 'hoo-hoo' noise, loud enough for her to hear, then like lightning scampered back to his friends who were waiting with baited breath in another alley.
Mrs Agnesssi heard the noise and looked up from what she was doing. She turned her head in the direction the sound had come from and saw a book lying on the floor in an alley. She pursed her lips and frowned, obviously annoyed at the interruption. Pushing her glasses up her nose, she stood up and