Sometimes also little Mona, a girl of his own age, would be running about; and she also, if she caught sight of Willie, was sure to come hopping and skipping like a bird to have a talk with him, and beg him to take her up, which, he as often assured her, was all but impossible.

To this place Mr Spelman and Willie climbed, and there held consultation whether and how it could be made habitable.

The main difficulty was, how to cover it in; for although the walls were quite sound a long way up, it lay open to the sky.

But about ten feet over their heads they saw the opposing holes in two of the walls where the joists formerly sustaining the floor of the chamber above had rested; and Mr Spelman thought that, without any very large outlay either of time or material, he could there lay a floor, as it were, and then turn it into a roof by covering it with cement, or pitch, or something of the sort, concerning which he would take counsel with his friend Mortimer, the mason.
"But," said Willie, "that would turn it into the bottom of a cistern; for the walls above would hold the rain in, and what would happen then?
Either it must gather till it reached the top, or the weight of it would burst the walls, or perhaps break through my roof and drown me." "It is easy to avoid that," said Mr Spelman.

"We have only to lay on the cement a little thicker at one side, and slope the surface down to the other, where a hole through the wall, with a pipe in it, would let the water off." "I know!" cried Willie.