Nodyn ar y clawr = Note on cover: I gyd-fynd รข Taith Iaith 5.
Testun tu fewn i'r clawr cefn = Text on inside back cover.
Bethan am byth by Gareth F. Williams. ISBN 9781845211905. Published by Canolfan Astudiaethau Addysg in 2007. Publication and catalogue information, links to buy online and reader comments.