'Now we can get home all right,' she said.
'And leave the Psammead ?' said Anthea reproachfully.
'Wait a sec.

I've got an idea,' said Cyril.

He pondered for a few moments.

Then he began hammering on the heavy cedar door.

It opened, and a guard put in his head.
'Stop that row,' he said sternly, 'or--' 'Look here,' Cyril interrupted, 'it's very dull for you isn't it?
Just doing nothing but guard us.