Oliver was very much like a Trainee, particularly in the ways Mu was thinking of. He had already started to wander the room, poking at the books and other items in it. It struck him as rather like visiting ancient Greece--a concept which could keep him awestruck for nearly forever. He opened one of the books gently, coughing from the dust. "What are you--" He cut off, coughing again. "--working on?"