Teitl clawr = Cover title.
Argraffiad Saesneg gwreiddiol = Original English edition : Oxford : Oxford University Press, 1996.
Addasiad Cymraeg gan = Welsh adaptation by : Anwen Evans.
Bwganod brain by Roderick Hunt. ISBN 0861747275. Published by Gwasg Addysgol Drake in 2003. Publication and catalogue information, links to buy online and reader comments.