A ghostly shade, frilled and nightcapped, follows the law-stationer to the room he came from, and glides higher up. And henceforth he begins, go where he will, to be attended by another shadow than his own, hardly less constant than his own, hardly less quiet than his own. And into whatsoever atmosphere of secrecy his own shadow may pass, let all concerned in the secrecy beware! For the watchful Mrs Snagsby is there too — bone of his bone, flesh of his flesh, shadow of his shadow.