[He starts to follow him when the mention of the journal stops him prematurely in his tracks. He remembers the book he dropped, and picks it up again, holding it away from his body.]
You must be referring to this? [It's posed as a question, not because he believes there could be another journal lying around, but the fact that he referred to it as a means to communicate.]
[action]
You must be referring to this? [It's posed as a question, not because he believes there could be another journal lying around, but the fact that he referred to it as a means to communicate.]