Bom drewllyd Henri Helynt /
Simon, Francesca.
Meek, Elin.
Ross, Tony.
Aberystwyth : Canolfan Astudiaethau Addysg,
2007.
Addasiad Cymraeg gan = Welsh adaptation by : Elin Meek.
Horrid Henry (Fictitious character)
Children's stories, Welsh.
Disorderly conduct