“It would strike me as either being a hoax, or else written by a lunatic.”

“It’s not half so insane as a thing I read this morning beginning ‘Petunia’ and signed ‘Best Boy.’ ” She tore out the leaf and handed it to Tommy. “There you are. Times , I think. Reply to Box so-and-so. I expect it will be about five shillings. Here’s half a crown for my share.”

Tommy was holding the paper thoughtfully. His faced burned a deeper red.

“Shall we really try it?” he said at last. “Shall we, Tuppence? Just for the fun of the thing?”

“Tommy, you’re a sport! I knew you would be! Let’s drink to success.” She poured some cold dregs of tea into the two cups.

“Here’s to our joint venture, and may it prosper!”