Argraffiad Saesneg gwreiddiol = Original English edition : London : Egmont Children's Books, 1999.
Addasiad Cymraeg gan = Welsh adaptation by : Gwynne Williams.
Crempogau Mr Blaidd by Jan Fearnley. ISBN 1855964139. Published by Dref Wen in 2000. Publication and catalogue information, links to buy online and reader comments.