I always find the differences between American and British covers. Evidently, us yanks prefer instruments of death to seascapes. I would assume it was just some random marketing decision, but I distinctly recall the same thing happening. The American version bore images of the compass, the knife, and the spyglass, while the British version feature character illustrations. What's up with that?
The River of Shadows by Robert V. S. Redick hits shelves February 15, 2011.
Source: Robert V. S. Redick’s Blog