Aren't they great? They're a throw-back to the old classic sci-fi magazines (don't you love the "magazine titles"? And the plot summaries on the front?)
...okay, okay, okay. These aren't real! :) I found the Pulp-O-Mizer through author Janni Lee Simner and just couldn't help but make up some mock pulp covers of the AtU series. What do you think?
(Oh, and PS: You can make your own here!)