Argraffiad Saesneg gwreiddiol = Original English edition: London : Addison Wesley Longman, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Dylan Williams.
Contents: 1. Y jwg laeth - 2. Rhy fach.
Dwy stori wirion by Ben Butterworth. ISBN 186085236X. Published by Uned Iaith Genedlaethol Cymru in 1997. Publication and catalogue information, links to buy online and reader comments.