Children can dive into the oceans to discover shimmering shoals of fish, colourful corals, deadly reef predators and more in this new Smart Kids book! Packed with incredible facts this first reference book features amazing underwater photography. An ideal introduction to the bustling underwater world of the coral reef.

Fe all blant blymio i'r moroedd mawr a dod o hyd i heidiau o bysgod byrlymus, cyrelau lliwgar, creaduriaid ysglyfaethus y creigresi cwrel, a mwy yn y llyfr newydd hwn i blant sy'n Dwli Dysgu! Mae'n llawn o ffeithiau anhygoel ynghyd â ffotograffau tanddŵr rhyfeddol. Cyflwyniad perffaith i fyd dyrys tanddwr y riff cwrel.