Arthur yn achub y byd
Subtitle: Pedrig y pysgodyn pengaled
By: Casia Wiliam ; [lluniau gan] Hannah Doyle
Contributors: Doyle, Hannah, illustrator
Series: Cyfres clec -- v. 2.
Publisher: Gwasg Carreg Gwalch
Published: 2015
Place of publication: Llanrwst
Language: wel
Number of pages: 48
ISBN-13: 9781845275143
Subjects: Welsh language; Readers; Environmental protection; Pictorial works; Juvenile fiction; Fishes
Other titles: Arthur yn achub y byd a Pedrig y pysgodyn pengaled
Description: Aimed at 6+ year olds, here are two stories comprising colourful situations and characters which children will be able to identify with.

"Dwy stori i'w clecio mewn un llyfr"--Clawr cefn = Back cover.