Check out the CyberCon Cover Wars by following this link. You get to pick which book covers you think are the the most striking, beautiful, and best! Just follow this link:
https://docs.google.com/forms/d/1V1xzc2dRb9_Oyz7Hr9kAq_uSD9FrY0ToQ7yXQOkwYuk/viewform
(And if you happen to pick one of mine, so much the better...)
Good hunting!