Bargain set of the first three books in Cyfres Byd y Bwystfilod, includes Tania'r Ddraig Dân; Sepron, Y Neidr Fôr, and Idris, Cawr y Mynydd.
- ISBN13 9781849672788
- Publish Date 30 June 2015
- Publish Status Active
- Publish Country GB
- Imprint Rily Publications Ltd
- Format Paperback
- Pages 300
- Language Welsh