I gael gwybod mwy am Sialens Ddarllen yr Haf, gan gynnwys sut i gymryd rhan, a chael adnoddau ar gyfer ysgolion, ewch i:https://summerreadingchallenge.org.uk
For more information on the Summer Reading Challenge including how to get involved, and resources for schools, go to:https://summerreadingchallenge.org.uk/