'They're very funny ones, at any rate,' said Peggy, picking up one of the despised tomes. 'Just look at the backs. They're so thick and heavy. They seem to be made of metal of some kind, with little bits of coloured glass stuck into them; but they're terribly tarnished and dirty. I can't read the writing inside at all, and there are the queerest little pictures all round the edges of the pages.'