GGumdropGumdropde Val BiroMateriasChildren's storiesEdiciones (2)Gumdrop (1972)Pan Books · inglésGumdrop (1966)Brockhampton P · inglésMás obras de Val BiroTThe boy who cried wolfThe boy who cried wolfTThe bumper Gumdrop omnibusThe bumper Gumdrop omnibusTThe donkey and the lapdogThe donkey and the lapdog