"Dad? Have you seen a book called...I don't know what it's called. It had a guy in it named Mister Martin."
"Is that the name of it?"
"I think so."
"Then, no, pal. I'm afraid I don't."
"I don't know where it got to. I was reading it last night and I put it down on my chest and it just disappeared."
"Ah." I walk over and pick off the shelf the book that he fell asleep reading, with the result that said book ended up on his face.
"Do you mean this one?"
"So by 'Mister Martin' you meant 'Doctor Boox'?"
"Hey!" he says, aggrieved. But as he can't find anything to be legit aggrieved about, he laughs and starts reading.