They sank back and returned to sleep.

Harry went on, his heart full of fear for the two young friends who were so dear to him.
The survivors of the Invincibles lay in all sorts of positions, some on their backs, some on their sides, some on their faces, and others doubled up like little children.

It was hard to recognize those dark figures, but he came at last to one in a lieutenant's uniform, and he was sure that it was Langdon.

He was afraid at first that he was dead, but he put his hand on his shoulder and shook it.
There was no response, but Harry felt the warmth of the body pass through the cloth to his hand, and he knew that Langdon was living.
He shook him again.
Happy opened his eyes slowly and regarded Harry with a long stare.
"Are you a ghost ?" he asked solemnly.
"No, I was never more alive than I am now." "I don't believe you, Harry.

You're a ghost and so am I.