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
The Art of Avatar contains over 200 full-color images including sketches, matte paintings, drawings, and film stills. The book details the production phase of set designs for the vistas, landscapes, aerial battle scenes, bioluminescent nights, and creatures featured in the film. Throughout the book are different interviews with the various art directors, visual effects designers, animators, costume designers, and creature designers about their roles in the production and insight as to how the pre-production artwork process worked for the film. In December 2009, "USA Today" chose the book as their #1 gift book in the Pop Culture category for 2009. The Art of Avatar