Slumyn dwl /
Willis, Jeanne.
Ross, Tony.
Williams, Dylan,1955-.
Aberystwyth : Cymdeithas Lyfrau Ceredigion Gyf,
2006.
Argraffiad Saesneg gwreiddiol = Original English edition : London : Andersen Press, 2006.
Addasiad Cymraeg gan = Welsh adaptation by : Dylan Williams.
Bats
Animals
Children's stories, Welsh.