Which famous book have you nodded along about without ever actually reading it?

It's thick enough to prop a door open, and that's probably what yours does. Most of us know it's Russian, it's long, and that's about it.

You've seen Colin Firth come out of the lake, so surely that counts? Mr Darcy is grumpy, then he isn't. Job done.

Plenty of us only know Big Brother from the Channel 4 diary room. You'll say "very Orwellian" with confidence all the same.

There's a man, a boat and a very big whale. Beyond that it's a lot of nodding and changing the subject.

It sat on half the bedside tables in Britain and took the prize, then the telly series. Be honest, did you get past chapter two?