midnight
exclaimed Graham . `` Yes , '' answered Andy . A white-robbed figure came to the window and sat down in a chair there . Graham rubbed his eyes and stared wonderingly at the strange midnight visitor clinging to the window sill . `` Why , what 's the trouble , Andy ? '' he questioned in a tone of surprise . `` It 's trouble , yes , you can make sure of that , '' responded Andy with a little nervous catch in his voice .