Cyfres Wyt Ti'n Gwybod?: Rhew

Llyfr sy'n cyflwyno plant 5-7 oed i ystod o ffeithiau diddorol am rew er mwyn ysgogi eu chwilfrydedd ynghylch y byd o'u cwmpas yn ogystal â hyrwyddo eu hawydd i chwilota am bob math o wybodaeth am un maes penodol.

A book to introduce children 5-7 year olds to a range of interesting facts about ice in order to stimulate their curiosity about the world around them as well as promoting their desire to search for all sorts of information in a particular field.