Adam Jack loves reading adventure books and his Granddad does everything to encourage him. Having recently moved to Scotland, Adam Jack is visiting his Grandparents for the first time and discovers Granddad has a new space for writing his books. The ‘shed’ at the bottom of the garden is enormous but what is the secret it hides. Adam Jack cannot take his eyes off the object in the gloomy corner but will he be disappointed to find out what it is or will it change his life forever.