Cyhoeddwyd yn wreiddiol yn Saesneg = Originally published in English: London : Orion Children's Books, 2006.
Henri Helynt a'r cefnogwr pêl-droed by Francesca Simon. ISBN 9781845215224. Published by CAA, Prifysgol Aberystwyth in 2013. Publication and catalogue information, links to buy online and reader comments.