I was now face to face with the castle moat, which was, indeed, very wide and very deep. Alas! I could not swim, and my chance of escape seemed of a truth hopeless, as, doubtless, it would have been had I not espied a boat tied to the wall by a r... Read more of Crossing The Moat at Math Puzzle.ca
To get rid of unwanted visitors you should place a broom by the front door.
If you can, make a small sweeping motion as place the broom, and if you can
do this without being noticed, so much the better.
This will speed such people on their way and give you some peace of mind.