You see here on the sill is the boot-mark, a heavy boot with the broad metal heel, and beside it is the mark of the timber-toe." "It is the wooden-legged man." "Quite so.

But there has been some one else,--a very able and efficient ally.

Could you scale that wall, doctor ?" I looked out of the open window.

The moon still shone brightly on that angle of the house.

We were a good sixty feet from the ground, and, look where I would, I could see no foothold, nor as much as a crevice in the brick-work.
"It is absolutely impossible," I answered.
"Without aid it is so.