It had no rungs, but narrow ledges made hold for feet and hands.

Philip remembered Jack and the Beanstalk, and looked up longingly; but the ladder was a very very long one.

On the other hand, it was the only thing that seemed to lead anywhere, and he had had enough of standing lonely in the grassy prairie, where he seemed to have been for a very long time indeed.

So he put his hands and feet to the ladder and began to go up.

It was a very long climb.