Ar lany mor
By: Mark Burgess.
Series: Gwesty Gwenda
Publisher: Gwasg y Dref Wen
Published: 1995
Place of publication: Caerdydd
Language: wel
Number of pages: 31
Work titles: Beside the sea.
Notes: Arg Saesneg gwreiddiol = Original English ed: London : HarperCollins, 1994.

Lluniau ar y cloriau tu mewn = Illustrations on inside covers.

Cyfieithiad o = Translation of: Beside the sea.