While on holiday in the Scottish Highlands, Gavin and his friends Clare, Michael, and Mot find a dusty trunk full of strange objects with magical powers. The objects take the children on a magical adventure to a time and place where magic is part of everyday life and the children encounter ancient Celtic goddesses, warriors and witches. However the children can only return to their own time if they complete all the treacherous tasks contained in an ancient rhyme .
The Day The Mountain Moved is the third book in the bestselling Clan series, which also includes Light on Dumyat, The White Stag Adventure and Jewels On the Move.
The Day The Mountain Moved will be published and available from the 23rd September 2019.