Arg. Saesneg gwreiddiol = Original English ed.: Llundain: Andersen Press, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Dylan Williams.
Lluniau ar y cloriau tu mewn = Illustrations on inside covers.
Yn sydyn! by Colin McNaughton. ISBN 0948930292. Published by Cymdeithas Lyfrau Ceredigion in 1997. Publication and catalogue information, links to buy online and reader comments.