PPicture PuzzlesPicture Puzzlesde Susannah BradleyEdiciones (1)Picture Puzzles (1992)FunFax Junior · ISBN 9781855971202Más obras de Susannah BradleyPPostman PatPostman PatYYsbridion, Angenfilod a ChwedlauYsbridion, Angenfilod a ChwedlauThe turbulent triangle