Bai ar gam
By: Michael Underwood ; addasiad Wyn G. Roberts.
Contributors: Roberts, Wyn G.
Publisher: Gwasg Carreg Gwalch
Published: 1990
Place of publication: Capel Garmon
Language: wel
Number of pages: 175
Work titles: A compelling case.
Notes: Arg Saesneg gwreiddiol = Original English ed: St Martin's Press, 1989.

Cyfieithiad o = Translation of: A compelling case.