Meet Bumple and Little Mop: stars of a wild and wonderful new adventure from award-winning author Helen Kellock. Far off the coast of Scotland, in a forgotten part of the sea, there is a secret island ... home to many strange and wonderful creatures. It's a perfect day on the Isle of Begg. Perfect, that is, until Bumple and Little Mop discover that a fearsome beastie has stolen a magic gemstone from their friends the rocklings. If the gemstone isn't returned before sunset, the rocklings will turn back into ordinary rocks. Bumple and Little Mop are determined to solve the mystery - but can they find the thief in time to save their friends?A story about courage and friendship, set on an enchanted Scottish island.