Description
Cyflwyniad difyr esboniadol a lliwgar i ddaeargrynfeydd mewn cyfres ffeithiol i blant sy’n dechrau darllen ar eu pennau eu hunain. Addasiad o Earthquakes and Tsunamis (Usborne Beginners).A colourful and explanatory introduction to earthquakes in a series aimed at children who are beginning to read independently. A Welsh adaptation of Earthquakes and Tsunamis (Usborne Beginners).
