Argraffiad Saesneg gwreiddiol = Original English edition : London : Orchard Books, 1999.
Addasiad Cymraeg gan = Welsh adaptation by : Emily Huws.
Giaman gasgan
Ellyll erchyll.
Giaman gasgan ac ellyll erchyll by Rose Impey. ISBN 9781845270131. Published by Gwasg Carreg Gwalch in 2005. Publication and catalogue information, links to buy online and reader comments.