Yr  ystafell gudd
By: stori gan Roderick Hunt ; trosiad Cymraeg gan Juli Paschalis ; lluniau gan Alex Brychta.
Contributors: Paschalis, Juli.; Brychta, Alex.
Series: Coeden ddarllen Rhydychen -- 4
Publisher: Gwasg Addysgol Drake
Published: 1998
Place of publication: Caerdydd
Language: wel
Number of pages: 24
Subjects: Welsh language -- Readers.
Genres: Readers.
Work titles: The secret room.
Notes: Argraffiad Saesneg gwreiddiol = Original English edition: Oxford : Oxford University Press, 1986.

Addasiad Cymraeg gan = Welsh adaptation by: Juli Paschalis.

Teitl o'r clawr = Title from cover.

Addasiad Cymraeg o = Welsh adaptation of: The secret room.