‘It’s a Nihilist bomb, come away!‘
‘Oh, you are here,’ she said; ‘did you hear that musical box?’
‘Yes,’ said the children meekly.
Mrs. Wilmington stood a moment in the door. She did not understand machinery, and to her it seemed quite possible that a musical box might begin to play all on its own account without any help from outside. On the other hand, it had never chosen to do it before these children came.
‘You ought not to wear bedroom slippers in the sitting-rooms,’ she said, and went away without more words.
‘I nearly burst,’ said Charles then; ‘especially when she noticed our feet.’
‘But she’ll find out,’ Charlotte said. ‘She found out about Rupert. Let’s go back now; because she won’t think we’re there now she knows we’re here. There was another book, all heavy too. We’ll start that and wake her up again.’
‘I say, isn’t it a lark?’ Charles whispered, as they crept up the stairs.