Man gwyn man draw?
By: [Gwenno Hywyn].
Contributors: Canolfan Adnoddau Addysg.
Publisher: Canolfan Adnoddau Addysg
Place of publication: [Caernarfon]
Language: wel
Number of pages: 40
Notes: "Dyma fanteisio'n fuddiol ar allu a dychymyg Gwenno Hywyn unwaith yn rhagor." - Rhagair.