Tate nodded in turn to each of the students as they greeted them, noting with detached interest how they spaced themselves in the room. There was a psychology to it, who sat in the front and who sat in the back. Who drew attention to themselves by trying not to draw any attention at all.

And how many of them were cold.

"It's still chilly in here, but I promise it'll warm up as soon as we get started."