Argraffiad Saesneg gwreiddiol = Original English edition : London : Egmont Children's Books, 2004.
Addasiad Cymraeg gan = Welsh adaptation by : Elin Meek.
Gweiddi, dangos a dweud by Kate Agnew. ISBN 185596676X. Published by Gwasg y Dref Wen in 2005. Publication and catalogue information, links to buy online and reader comments.