How To Disappear Completely

Keep a Straight Face...

"At twenty minutes before seven, then," said Mr Pike, rising, "the coach will be here. One more look--one little look--at that sweet face [a portrait of Miss Nickleby]. Ah! here it is. Unmoved, unchanged!" This by the way was a very remarkable circumstance, miniatures being liable to so many changes of expression.

"Nicholas Nickleby" by Charles Dickens