Dr. Hamish Stewart straightened a number of artifacts on his desk and peered out through the glass in his office door, trying to decide whether or not to let the students waiting there come in to ask him questions. After receiving the news he’d been looking for, a titillation crept through his skin, and he was afraid his joy might take shape in the form of pointy teeth, something he usually had control over, but given the situation, hiding them might be slightly more difficult.

There ...