Serrin paused along the short driveway. The obvious thing was to walk right up and tap with the brass door-knocker, but somehow it seemed wrong to do so. He was a little unnerved. He had the feeling of being naked, as if the old mage would see right through him even though Serrin had nothing to hide. Summoning his will, he covered the last few paces and knocked politely at the door with two short raps of the knocker.