"You'll never guess," says Frog.
"What now?" I ask.
"We're having another Big Book Sale."
I am frankly puzzled.
"How's that different from the Big Book Sale we've been having up here for the past three months?"
"That's Helminthdale Library's Big Book Sale, organised by Doreen. The new one's going to be Helminthdale Library Service's Big Book Sale, organised by T.Aldous."
"You're taking the piss."