Argraffiad Saesneg gwreiddiol = Original English edition : London : Gullane Children's Books, 2002.
Addasiad Cymraeg gan = Welsh adaptation by : Emily Huws.
Owain yn cael sbort yn y gors by Ian Whybrow. ISBN 1843232154. Published by Gwasg Gomer in 2003. Publication and catalogue information, links to buy online and reader comments.