Argraffiad Saesneg gwreiddiol = Original English edition: Harlow : Longman Group, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Julie Paschalis.
Y siop deganau by Wendy Body. ISBN 1860850073. Published by Uned Iaith Genedlaethol Cymru CBAC in 1996. Publication and catalogue information, links to buy online and reader comments.