But look at the other side--the Garple glen.

It's evidently a deep-cut gully, and at the bottom it opens out into a little harbour.

There's deep water there, you observe.

Now the House on the south side--the Garple side--is built fairly close to the edge of the cliffs.

Is that all clear in your head?
We can't reconnoitre unless we've got a working notion of the lie of the land." Dickson was about to protest that he had no intention of reconnoitring, when a hubbub arose in the back kitchen.