Cover title.
Gorwelion : cynllun Cymraeg fel iaith gyntaf yn yr ysgol uwchradd. Cyfres 1. Thema 2 : Creaduriaid. Uned 1 : Dof a gwyllt. Published by Gwasg y Dref Wen ar ran y Cyngor Ysgolion in 1977. Publication and catalogue information, links to buy online and reader comments.