When Glibb X came across a cloud of smoke appearing out of nowhere and decided to step into it for a lark he little knew he was stepping into a time warp. That’s the fancy word they use for a crack in space-time.

Suddenly Glibb found himself falling with a thud to the bottom of a molehill. When he looked up he knew there was something different in his surroundings. And that’s putting it mildly. Because the concrete metropolis around him had been replaced by a prehistoric setting. And he knew about prehistoric settings. He had seen ‘em all in Hollywood blockbusters.

Even as he looked up a couple of Neanderthals wielding clubs turned the corner. One of them spotting him shrieked in horror and almost fainted. Then he collected himself.

“Do you see what I see?” he asked his equally flabbergasted companion. The companion could only say weakly, “Gee…