I scrambled down to the bed of the watercourse, jumping easily further and further down in the low gravity, looking for tracks in the damp sand and mud beside the stream. There were none. I pressed on, into the next gully, almost like a small canyon. It wound and twisted and still the mud yielded nothing. I was practicing my tracking skills when two things happened: the tigripard leapt up onto a rock in front of me, snarling, and the sky turned black.
I've had plenty of infantry training, even if quite a while ago. I brought the gun up fast and fired. In that space its report was ridiculously small, swallowed up by the air around. The tigripard was faster. If it had gone for me I should probably have died under its claws then and there. But evidently it was experienced enough to be wary of Man, or at least of Man plus weapons. It leapt sideways and disappeared behind the gully slope. Whether I hit it or not I had no idea. And at that second I had other things on my mind.
I had never seen a daytime sky turn midnight black before, and the light die in an instant. Who has? Wunderlanders who live in the storm-belt have, I discovered.
Then the rain and lightning came, the rain in solid sheets, the lightning hardly less unbroken. Thunder filled and shook the sky. I had seen the sky of Wunderland purple in the light of Alpha Centauri B, one of the great sights of Human Space. This flaring, vivid purple light was a different thing. In an instant I was soaked with freezing rain, my head was ringing and I was almost blinded. That's when I heard the tigripad again.
The tigripard knew Wunderland better than I. But it made the mistake of snarling its challenge before it leapt. I dropped flat as I fired again and its leap carried it over me. It was a very near thing, though: a hind-claw shredded the light shirt I was wearing. Below me the ground gave way, and I rolled down a steep incline. I fetched up bruised and dazed at the bottom. Had it not been for Wunderland's light gravity I would have been a lot worse off. And the tigripard and the fall had saved my life. As I got groggily to my feet again a bolt of lightning struck the place I been standing a few moments before. I saw rocks and earth hurled into the air, and then for a while I might have been blinded.
I could only hope the tigripard was at least temporarily blinded too, but I heard it snarling somewhere not far away. The skyline had become near and narrow and lightning was trickling all around it. There were the lashing hailstones, too. Any bigger and they would do real damage. Flicking my rifle back and forth, trying to cover all directions at once, I ran, still part blind, running straight into cliff faces, stumbling and falling to a ground that the cloudburst had already churned to mud, boiling up like soup. Live soup, too. I saw creatures like the froggolinas and kermitoids, I supposed long encased in it, springing to life and away. Three times I thought I saw movement that might have been the tigripard and fired at it. The fourth time I heard a snarling, very close, and knew there could be no mistake. But my rifle was so slick with water and mud, and my hands so cold in the sudden rain and hail, that the selector must have moved to automatic setting. I fired off all the rest of the magazine in an instant.
I groped for the box of cartridges. Had I brought it with me or left it in the car? I couldn't remember, but a frantic search showed I didn't have it now. If it had been in my pocket I had lost it in the fall.
I've studied many disasters. I know the worst of them usually don't have a single cause. They are an accumulation of small things, too small to guard against: a weather or meteor report misfiled by a tired duty officer, an alarm system not checked one day as it has been every day for years, a faucet blocked by paint, a decimal point shifted one place in a computer's instructions, a fleck of dust working its way into an old keyboard . . . I had got where I was in those gullies by an accumulation of small things, and, I realized quite suddenly, my life was in danger.
So far I had been excited, keyed-up, furious. Suddenly I felt cold and frightened: not the fear of battle, but another kind of dread. Not only from the tigripard, which seemed to have gone, perhaps hit, though I doubted that, perhaps to stalk me from cover, but from this rain. Great chunks of earth turned suddenly to mud were falling from the gully banks and I realized I could end up underneath one. But there was a more inevitable peril. One thing I know something about is the theory of terrain, and recalling what I had seen from the air, I knew these canyons must flash-flood in rain like this. I realized that I had seen high-water-marks in them, all well above where I was now. In fact, I thought, that was probably why the tigripard was gone. It was climbing, and if I was to remain alive I had better do the same fast.
I slung the rifle over my shoulder and started up the slope. It was hard to make much out in the ceaselessly-rolling thunder and the constant beating of the hailstones but I thought I could feel the ground as well as the air shaking. I was so covered in the mud I squirmed through, and in ice from the hailstones, that perhaps even the superb sensory equipment of the tigripard was confused and could not find me.
There was another thing I