Pam mae'r awyr yn las?
By: stori gan Sally Grindley ; lluniau gan Susan Varley ; trosiad gan Emily Huws.
Contributors: Varley, Susan.; Huws, Emily.
Publisher: Dref Wen
Published: 1996
Place of publication: Caerdydd
Language: wel
Translated from: eng
Translation of: Why Is the Sky Blue?
Number of pages: 25
Subjects: Donkeys -- Pictorial works -- Juvenile fiction.; Rabbits -- Pictorial works -- Juvenile fiction.
Genres: Pictorial works; Juvenile fiction.
Work titles: Why is the sky blue?.
Notes: Cyhoeddwyd gyntaf yn Saesneg = First published in English: London: Andersen Press, 1996.

Addasiad Cymraeg gan = Welsh adaptation by: Emily Huws.

Cyhoeddwyd dan nawdd Cynllun Llyfrau Darllen Cyd-bwyllgor Addysg Cymru = Published under the auspices of the Welsh Joint Education Committee Reading Book Scheme.

Addasiad Cymraeg o = Welsh adaptation of: Why is the sky blue?.