Siriol Llywelyn a'r salwch chwyrlio erchyll
By: David Sutherland, David Roberts ; addasiad gan Elin Meek.
Contributors: Roberts, David, 1970-
Series: Bananas coch
Publisher: Dref Wen
Published: 2005
Place of publication: Caerdydd
Language: wel
Number of pages: 48
Work titles: Samantha Cardigan and the ghastly twirling sickness.