Vintage Science Fiction Book Covers Part 4: Ace Doubles

     Yes I know, it's been a while. In the effort to put together an article documenting Ace Doubles, I was taking pictures for said article, and realized it's been a while since I've done a book covers post. So, here you are. Ignore the price stickers and so on, I did not get around to taking them off, and I kind of like them on. 

                         Check out Parts one, two, and three of the book cover series.

Check out Parts one, two, and three of the book cover series.