Doesn’t mean they don’t look good. With this one by Frank R. Paul, it’s easy to guess this is some sort of dimensional/spatial gateway.
I’m not at all as clear what this Ed Emshwiller cover is saying about the coming century.
This Dean Ellis is simple enough — the Ice Age people used to predict was coming (though serious scientists favored global warming). Great lineup of writers, too.
This Robert Gibson Jones cover appears to show sabotage but what’s the specfic angle?
But this HW McCauley cover? What’s the bright light in the cockpit he ejected from, or is that an effect of the fire and I’m just misreading it?
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The Universe 2 cover is for Silverberg’s story “When We Went To See The End Of The World”: an event which, according to the participants, occurs in many different ways.
Thanks. I played around with a similar idea some years back but never made it work. I’ll have to find the Silverberg story some time.
Found it for Kindle.