The US cover is shown on the left, and the UK cover is shown on the right. The US cover gives the impression of Harry working alone using very calm Dumbeldore-style magic, and the UK cover gives the impression of Harry working with Ron and Hermione in a very action-filled setting, with Griffindore's sword and some new-looking creatures.
Even more interesting is the UK adult edition cover, shown below, showing the Slytherin locket that Harry knew he had to find at the end of book six. I predicted in Harry Potter in Torah in the chapter "Everything Happens for a Reason," and others have predicted as well, that this will end up being the locket that he already saw in book five in Serius's old house, which Harry now owns but which may have been stolen.
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