the high walls would make the place like a fortress , they would have room to move . no one follows me and i turn down the hall to the left and slip into one of the bedrooms . i smiled and nudged him in the leg . but they could not locate her . maybe you can get his attention off that computer screen for five minutes . '' i shake my head and say , `` i have n't . '' think of our task as climbing a tall stone wall . 