Avatar (2009 film) themselves to change into a Na'vi. "Avatar: A Confidential Report on the Biological and Social History of Pandora", a 224-page book in the form of a field guide to the film's fictional setting of the planet of Pandora, was released by Harper Entertainment on , 2009. It is presented as a compilation of data collected by the humans about Pandora and the life on it, written by Maria Wilhelm and Dirk Mathison. HarperFestival also released Wilhelm's 48-page "James Cameron's Avatar: The Reusable Scrapbook" for children. "The Art of Avatar" was released on , 2009, by Abrams Books. The book features
Avatar (2009 film) on the studio and its financiers. A studio spokesperson said that the budget was "$237 million, with $150 million for promotion, end of story." "Avatar" is primarily an action-adventure journey of self-discovery, in the context of imperialism and deep ecology. Cameron said his inspiration was "every single science fiction book I read as a kid", and that he was particularly striving to update the style of Edgar Rice Burroughs's "John Carter" series and the deep jungles of Pandora were visualized from Disney's 37th animated film, "Tarzan". He acknowledged that "Avatar" shares themes with the films "At Play in the Fields