How long did it take James Cameron to write Avatar?

Related questions

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2. How does Aang die?
3. Is Avatar Rated R?
4. Why is the movie Avatar called Avatar?
5. Does Aang lose the Avatar State?
6. Is Avatar a God?
7. Why are humans using avatars on Pandora?
8. What is an example of an avatar?
9. Why is Avatar Rated PG 13?
10. Is Avatar based on Hinduism?

Tags

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2. #began
3. #treatment
4. #available
5. #completion
6. #wrote
7. #achieve
8. #filming
9. #supposed
10. #necessary
11. #cameron
12. #release
13. #place
14. #titanic
15. #planned
16. #according
17. #avatar
18. #vision
19. #development
20. #after