Cyhoeddwyd yr argraffiad hwn gyntaf ym Mhrydain gan = This edition first published in Britain by: HarperCollins, 1998.
Addasiad Cymraeg gan = Welsh adaptation by: Emily Huws.
Seiliwyd ar y cymeriadau a grewyd gan Enid Blyton = Based on the characters created by Enid Blyton.
Plisman Plod yn cadw trefn by Enid Blyton. ISBN 1870394984. Published by Sain in 1998. Publication and catalogue information, links to buy online and reader comments.