Jerome Podwil did some really nice covers for paperback reprints by Pocket Books / Timescape in this period. In my opinion, this is the best looking edition for this book.

The Universe Maker (1953) - a novel by A. E. Van Vogt. [Originally appeared in Startling Stories January 1950 (as "The Shadow Men.")]

Did you ever hear of The Inter-Time Society for Psychological Adjustments? Well, neither had Morton Cargill when he accidentally killed a girl in an auto crash. But a year later that very girl turned up, apparantly alive, and announced that the mysterious society had condemned him to death! Cargill's astounding adventures began when he escaped the execution chamber to find himself in the far future. 3 conflicting societies were hunting him for use in their own desparate schemes. There were the Floaters, a nation of aerial vagabonds; the Tweeners, who dreamed of world conquest; and then there were the Shadow Men - supermen without visible substance…