Y datgelwr celwyddau
By: Susan Gates ; lluniau gan Ivan Bates.
Contributors: Bates, Ivan.; Huws, Emily.
Series: Coeden ddarllen Rhydychen
Publisher: Gwasg Addysgol Drake
Published: 2002
Place of publication: Caerdydd
Language: wel
Number of pages: 47
Subjects: Truthfulness and falsehood -- Juvenile fiction.; Welsh language -- Readers.
Genres: Juvenile fiction.; Readers.
Work titles: The lie detector.
Notes: Argraffiad Saesneg gwreiddiol = Original English edition : Oxford : Oxford University Press, 1996.

Addasiad Cymraeg gan = Welsh adaptation by : Emily Huws.

Addasiad Cymraeg o = Welsh adaptation of : The lie detector.