“ What do you call him? Nemo?” says Mr. Tulkinghorn. “Nemo, sir. Here it is. Forty-two folio. Given out on the Wednesday night at eight o’clock, brought in on the Thursday morning at half after nine.”

“Nemo!” repeats Mr. Tulkinghorn. “Nemo is Latin for no one.”

“It must be English for someone, sir, I think,” Mr. Snagsby submits with his deferential cough. “It is a person’s name. Here it is, you see, sir! Forty-two folio. Given out Wednesday night, eight o’clock; brought in Thursday morning, half after nine.”