Yr ystafell gudd
By: sgript ddrama a addaswyd o stori gan Roderick Hunt gan Jacquie Buttriss ac Ann Callander ; [lluniau gan Alex Brychta] ; [trosiad Cymraeg gan Juli Paschalis].
Contributors: Hunt, Roderick, 1939-; Brychta, Alex.; Callander, Ann.
Series: Coeden darllen Rhydychen : Sgriptiau drama : cam 4
Publisher: Drake
Published: 2003
Place of publication: [Caerdydd]
Language: wel
Translation of: The secret room
Number of pages: 24