Bibliografia
em Inglês
2008  Pan MacMillan
2005  Oxford University Press
2005  Oxford University Press
2005  Oxford University Press
2004  Oxford University Press
2003  Oxford University Press
2003  Oxford University Press
1999  PENGUIN BOOKS LTD
1997  FABER AND FABER
1996  HACHETTE CHILDREN'S BOOKS
1995  HACHETTE CHILDREN'S BOOKS
1994  Random House Children's Publishers UK
2008  FIVE LEAVES PUBLICATIONS
1997  HarperCollins Publishers
1987  JAMES CLARKE & CO LTD
Helen Cresswell









