Avatar: a how to guide

James Cameron’s guide to making a blockbuster

• Step one: Steal all your ideas, oops I mean, "draw inspiration" from classic movies

• Step two: prepare a script

• Step three: Use your direction skills to get stellar performances from your actors

• Step four: charge a modest entry fee, so that you can share your art with as many people as possible

• Step five: Enjoy the accolades from your peers