'And a far greater flaw was that it was too altruistic. It boomed you and it boomed Jane, but I didn't get a thing out of it. My revised scheme is a thousand times better in every way.'

'Don't say you have another.'

'I have. And,' added Mr Mifflin, with modest pride, 'it is a winner. This time I unhesitatingly assert that I have the goods. In about one minute from now you will hear me exclaim, in a clear musical voice, the single word, "Jump!" That is your cue to leap over the side as quick as you can move, for at that precise moment this spanking craft is going to capsize.'

George spun round in his seat. Mr Mifflin's face was shining with kindly enthusiasm. The shore was at least two hundred yards away, and that morning he had had his first swimming-lesson.

'A movement of the tiller will do it. These accidents are common objects of the seashore. I may mention that I can swim just enough to keep myself afloat; so it's up to you. I wouldn't do this for everyone, but, seeing that we were boys together—Are you ready?'

'Stop!' cried George. 'Don't do it! Listen!'

'Are you ready?'

The Ocean Beauty gave a plunge.

'You lunatic! Listen to me. It—'

'Jump!' said Mr Mifflin.