A pack of 4 Horrid Henry adaptions in Welsh: Henri Helynt, Henri Helynt a'r Clwb Dirgel, Henri Helynt a'r Llau and Henri Helynt yn Twyllo'r Tylwyth Teg.
| ISBN: | 9781801061681 |
| Publication date: | 13th July 2021 |
| Author: | Francesca Simon, Francesca Simon |
| Illustrator: | Tony Ross |
| Publisher: | CAA Cymru |
| Format: | Hardback |
| Genres: |
Children's and Young Adult Fiction |