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
James Cameron's Avatar: The Game for the PC version; and 39% and 55 out of 100 for the PSP version. Sales of the game had a slow start but eventually performed ahead of expectations selling 2.7 million units across all platforms. Ubisoft CEO Yves Guillemot called the game a "positive contribution for the company" citing the increased sales due to the film's success and its launch on DVD. James Cameron's Avatar: The Game James Cameron's Avatar: The Game is a 2009 third-person action video game based on James Cameron's 2009 film "Avatar". The game was developed by Ubisoft Montreal and released on the PlayStation 3,