It did sound like crystal bullshit to Booker but she spoke confidently enough about it that he might consider looking into it the next time he was bored late at night. Anyone who used the term harmonics had an idea of what they were talking about.

"You don't get many people this far out here," Booker pointed out. "Our nearest neighbor is a few miles away. You're hearing birds."

They lived out here for the privacy of it. They didn't need neighbors wondering why they didn't age or why they carried around so many weapons. Or the occasional screams from nightmares.

"Andy give you the, uh, can't go back talk yet?" he asked as he considered her tending to the garden. She was smart and capable. If they won her trust she'd be a good fit.