Newydd da! newydd drwg!
By: Colin McNaughton ; addaswyd gan Gwynne Williams.
Contributors: Williams, Gwynne, 1937-
Publisher: Gwasg y Dref Wen
Published: 2002
Place of publication: Caerdydd
Language: wel
Number of pages: 24
Work titles: Good news! bad news!.
Notes: Argraffiad Saesneg gwreiddiol = Original English edition : London : HarperCollins, 2001.

Addasiad Cymraeg gan = Welsh adaptation by : Gwynne Williams.

Addasiad Cymraeg o = Welsh adaptation of : Good news! bad news!.