Argraffiad Saesneg gwreiddiol = Original English edition : London : Piccadilly Press, 2005.
Addasiad Cymraeg gan Hedd a Non ap Emlyn = Welsh adaptation by Hedd and Non ap Emlyn.
Waldo a Dani by Sally Chambers. ISBN 1855966980. Published by Gwasg y Dref Wen. in 2005. Publication and catalogue information, links to buy online and reader comments.