Bwlis
By: Mair Wynn Hughes ; [lluniau gan Alex West] ; [addaswyd y stori gan Mari Tudor].
Contributors: West, Alex.; Tudor, Mari.; Welsh Joint Education Committee.; National Language Unit of Wales.
Publisher: CBAC
Published: 1997
Place of publication: Caerdydd
Language: wel
Number of pages: 16
Subjects: Welsh language -- Readers.; Bullying -- Juvenile fiction.