Some class, somewhere, has obviously been given the recursive money changing problem as a piece of work, because I have had several hundred visits in the last week from people seeking to get a grip on it.
Norman Geras is a great man. He’s a social, not a computer, scientist, and this year I have been mainly reading computer books. Still, here’s an idea I have pinched off his website (he got it from here). Match the prompts to books you have read in the last year – in my case mainly computer books.