elderly couple, and very friendly. The husband got his name from the fact that he had a small hedgehog for a pupil. This hedgehog also collected things – apples, the difference being that as soon as an apple came into his possession he promptly ate it.
Muko and the sleuthing team arrived outside the door to the department. Muko knocked – once fairly softly and a second time loudly – but there was no answer. As he knocked more vigorously the second time, he noticed that the door wasn't quite closed, so he gently pushed it open and looked inside. His friends crowded round to peep in as well. What they saw was a large office with lots of cabinets, in which were ranged a huge selection of strange and wonderful objects.
They tiptoed into the office and began to look around them. They quickly spotted that each cabinet had a large symbol at its base.
“They're Roman numerals,” hissed Paidia. “Look!
They're on the shelves of the cabinets as well.”
On many of the shelves were solids, 2-dimensional figures, small sculptures and paintings. But the first shelf they looked at was full of books. Muko read a couple of titles: