Idris, cawr y mynydd
By: gan Adam Blade ; addasiad Tudur Dylan Jones
Contributors: Jones, Tudur Dylan
Series: Byd y bwystfilod -- 3
Publisher: Rily
Published: 2011
Place of publication: Hengoed
Language: wel
Number of pages: 111
ISBN-13: 9781904357919
Subjects: Giants; Juvenile fiction; Monsters
Work titles: Arcta, the mountain giant
Notes: Cyhoeddwyd yn wreiddiol yn Saesneg = Originally published in English: London : Orchard Books, 2007.

Addasiad Cymraeg o = Welsh adaptation of: 'Arcta, the mountain giant'.