There are piles and piles of old letters; the place hasn't been touched in decades.

And—

A boy with a face like Kas's but none of Kas's witchlike agelessness - he looks about sixteen or seventeen - appears out of thin air in one of the spare rooms. He's wearing some kind of unfamiliar uniform that looks both futuristic and military.

"Holy shit," he says, staring around at the abandoned house. "How long has it even been?"