When Eddy Hall receives five cards for his stereoscope, he and his sister, Eleanor, can't wait to see what exotic places they reveal maybe Stonehenge, or a centuries-old European cathedral. But instead, when they look through the stereoscope, Eddy and Eleanor see some very strange things. An odd-looking rope hangs from the sky down into every picture. A marmalade coloured cat that looks suspiciously like Herm, the family cat, also appears. And one...