Torri'r cadwynau
By: Gerallt Jones ; arluniwyd y gyfrol hon gan Alwyn Dempster Jones.
Contributors: Jones, Alwyn Dempster.
Publisher: Gwasg T^y ar y Graig
Published: 1980
Place of publication: (Caernarfon) ((St. David's Rd., Caernarfon, Gwynedd))
Language: wel
Number of pages: 88
Notes: For adolescents.