Argraffiad Saesneg gwreiddiol = Original English edition : London : HarperCollins, 2001.
Addasiad Cymraeg gan Hedd a Non ap Emlyn = Welsh adaptation by Hedd and Non ap Emlyn.
Pwtyn by Clara Vulliamy. ISBN 1855966298. Published by Dref Wen in 2004. Publication and catalogue information, links to buy online and reader comments.