If you haven't read Harry Harrison's DeathWorld, it is worth the Amazon search. I read it as a kid, loved it and just bought it for my son who loved it.
I decided to re-read it after 30 years and was shocked that "Avatar" is a ripoff or at least a "tribute" to the book.
There are a lot of recycled themes in SciFi, but this was pretty close.
Anyone else read it or agree?
Live in peace and harmony, blah, blah, one with nature, guns never solve anything...