The first stretch was almost too simple, a clear track winding higher and higher for a couple of miles. Pausing to rest for a moment, we could turn and see the entire valley outspread below us. Gradually the trail grew steeper, in spots pitched almost at a 50-degree angle, and was scattered with gravel, loose rock and shale, so that we placed our feet carefully, leaning forward to catch at handholds and steady ourselves against rocks. I tested each boulder carefully, since any weight placed against an unsteady rock might dislodge it on somebody below. One of the Darkovan brothers--Vardo, I thought--was behind me, separated by ten or twelve feet of slack rope, and twice when his feet slipped on gravel he stumbled and gave me an unpleasant jerk. What he muttered was perfectly true; on slopes like this, where a fall wasn't dangerous anyhow, it was better to work unroped; then a slip bothered no one but the slipper. But I was finding out what I wanted to know--what kind of climbers I had to lead through the Hellers. Along a cliff face the trail narrowed horizontally, leading across a foot-wide ledge overhanging a sheer drop of fifty feet and covered with loose shale and scrub plants. Nothing, of course, to an experienced climber--a foot-wide ledge might as well be a four-lane superhighway. Kendricks made a nervous joke about a tightrope walker, but when his turn came he picked his way securely, without losing balance. The amateurs--Lerrys Ridenow, Regis, Rafe--came across without hesitation, but I wondered how well they would have done at a less secure altitude; to a real mountaineer, a footpath is a footpath, whether in a meadow, above a two-foot drop, a thirty-foot ledge, or a sheer mountain face three miles above the first level spot. After crossing the ledge the going was harder. A steeper trail, in places nearly imperceptible, led between thick scrub and overhanging trees, thickly forested. In spots their twisted roots obscured the trail; in others the persistent growth had thrust aside rocks and dirt. We had to make our way through tangles of underbrush which would have been nothing to a trailman, but which made our ground-accustomed bodies ache with the effort of getting over or through them; and once the track was totally blocked by a barricade of tangled dead brushwood, borne down on floodwater after a sudden thaw or cloud-burst. We had to work painfully around it over a three-hundred-foot rockslide, which we could cross only one at a time, crab-fashion, leaning double to balance ourselves; and no one complained now about the rope. Toward noon I had the first intimation that we were not alone on the slope. At first it was no more than a glimpse of motion out of the corner of my eyes, the shadow of a shadow. The fourth time I saw it, I called softly to Kyla: "See anything?" "I was beginning to think it was my eyes, or the altitude. I saw, Jason."