Nothing New Under the Sun.

Just in the last week or so, several people have asked me (jokingly) when I'll be launching my lawsuit against James Cameron. Apparently there's some similarities between Avatar (Which I've yet to see) and the Darklands Books - most particularly Skyfall.
Now, having only just watched the preview of Avatar, I can see that there might be some very broad similarities, but only in the same way that you can see broad similarities between, say, Les Miserables and Crime and Punishment. Sure they're b...