Way, Way, Way out West

I've always thought the combination of cowboys and sci-fi was a good match. (Just look at The Valley of Gwangi.) Jack Kirby apparently thought so too since stories appeared in some of his and Stan's old west comics that could've almost just as easily seen print in one of the same era monster titles like Tales To Astonish. So just for the hell of it, here's some choice covers only the King coulda thoughta!