Awduron = Authors: Cindy Jefferies, Seb Goffe.
Cyhoeddwyd yn wreiddiol yn Saesneg gan = Originally published in English by: A & C Black, Llundain, 2008.
Hosan lwcus by Cindy Jefferies. ISBN 9781845272760. Published by Gwasg Carreg Gwalch in 2010. Publication and catalogue information, links to buy online and reader comments.