Arg. Saesneg gwreiddiol = Original English ed.: [London]: Longman, 1989.
Addasiad Cymraeg gan = Welsh adaptation by: Euros Siôn Ifan.
Teitl clawr = Cover title.
Seren wib by Margaret Iggulden. ISBN 1855962691. Published by Dref Wen in 1996. Publication and catalogue information, links to buy online and reader comments.