Jerry and Jacob clean out Gran's old garden shed to make a den, but on their first late-night walk in the woods behind it, they come across a very strange, grubby little person and their problems begin. A small pile of rags that can talk! The boys want to run away fast, but they take pity on the strange creature. They promise to try and get it back to its own world - GoblinLand. Hiding a goblin in their den is a full time job. But in the end they find out that Hob had upset an elf, could that be the clue they need? But if the twins think that helping out their grubby goblin friend is the end of the story - they are very very wrong! Once you have let one goblin into your life.....the goblin door has opened!