"But it could have been worse.

You're merely grazed, when you could have been hit and hit deep." It was Langdon, cool and imperturbable, who was speaking.

He was regarding Harry rather quizzically, as the boy mechanically brushed the mud from his clothes.
"Force of habit," said Langdon, and then he suddenly grasped Harry and pulled him to his knees.

There was a tremendous crash in front of them, and a storm of bullets swept over their heads.
"I saw a Yankee officer give the word, and then a million riflemen rose from the bushes and fired straight at us!" shouted Langdon.

"You stay here! See the Invincibles are all about you!" Harry saw that he had in truth fallen among the Invincibles.